Home / 74,901.84-103,364.01-40,910.34

Finding the Fourth Proportional to 74,901.84, 103,364.01 and 40,910.34

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Solution

The fourth proportional to 74,901.84, 103,364.01 and 40,910.34 is: 56,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,901.84 : 103,364.01 = 40,910.34 : x
  2. Step 2: Convert to fraction form
    74,901.84/103,364.01 = 40,910.34/x
  3. Step 3: Cross multiply
    74,901.84x = 103,364.01 × 40,910.34
  4. Step 4: Simplify right side
    74,901.84x = 4,228,656,276.04
  5. Step 5: Solve for x
    x = 4,228,656,276.04/74,901.84
  6. Step 6: Final answer
    x = 56,455.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.