Home / 74,827.67-103,264.36-40,838.34

Finding the Fourth Proportional to 74,827.67, 103,264.36 and 40,838.34

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Solution

The fourth proportional to 74,827.67, 103,264.36 and 40,838.34 is: 56,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,827.67 : 103,264.36 = 40,838.34 : x
  2. Step 2: Convert to fraction form
    74,827.67/103,264.36 = 40,838.34/x
  3. Step 3: Cross multiply
    74,827.67x = 103,264.36 × 40,838.34
  4. Step 4: Simplify right side
    74,827.67x = 4,217,145,043.56
  5. Step 5: Solve for x
    x = 4,217,145,043.56/74,827.67
  6. Step 6: Final answer
    x = 56,358.10

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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.