Home / 75,117.84-103,661.76-41,125.92

Finding the Fourth Proportional to 75,117.84, 103,661.76 and 41,125.92

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Solution

The fourth proportional to 75,117.84, 103,661.76 and 41,125.92 is: 56,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.84 : 103,661.76 = 41,125.92 : x
  2. Step 2: Convert to fraction form
    75,117.84/103,661.76 = 41,125.92/x
  3. Step 3: Cross multiply
    75,117.84x = 103,661.76 × 41,125.92
  4. Step 4: Simplify right side
    75,117.84x = 4,263,185,248.82
  5. Step 5: Solve for x
    x = 4,263,185,248.82/75,117.84
  6. Step 6: Final answer
    x = 56,753.30

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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.