Home / 112,753.59-155,593.28-61,756.17

Finding the Fourth Proportional to 112,753.59, 155,593.28 and 61,756.17

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Solution

The fourth proportional to 112,753.59, 155,593.28 and 61,756.17 is: 85,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,753.59 : 155,593.28 = 61,756.17 : x
  2. Step 2: Convert to fraction form
    112,753.59/155,593.28 = 61,756.17/x
  3. Step 3: Cross multiply
    112,753.59x = 155,593.28 × 61,756.17
  4. Step 4: Simplify right side
    112,753.59x = 9,608,845,322.98
  5. Step 5: Solve for x
    x = 9,608,845,322.98/112,753.59
  6. Step 6: Final answer
    x = 85,219.86

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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.