Home / 103,037.10-142,192.71-62,752.74

Finding the Fourth Proportional to 103,037.10, 142,192.71 and 62,752.74

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Solution

The fourth proportional to 103,037.10, 142,192.71 and 62,752.74 is: 86,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,037.10 : 142,192.71 = 62,752.74 : x
  2. Step 2: Convert to fraction form
    103,037.10/142,192.71 = 62,752.74/x
  3. Step 3: Cross multiply
    103,037.10x = 142,192.71 × 62,752.74
  4. Step 4: Simplify right side
    103,037.10x = 8,922,982,160.53
  5. Step 5: Solve for x
    x = 8,922,982,160.53/103,037.10
  6. Step 6: Final answer
    x = 86,599.70

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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.