Home / 74,356.12-102,607.86-42,528.52

Finding the Fourth Proportional to 74,356.12, 102,607.86 and 42,528.52

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Solution

The fourth proportional to 74,356.12, 102,607.86 and 42,528.52 is: 58,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,356.12 : 102,607.86 = 42,528.52 : x
  2. Step 2: Convert to fraction form
    74,356.12/102,607.86 = 42,528.52/x
  3. Step 3: Cross multiply
    74,356.12x = 102,607.86 × 42,528.52
  4. Step 4: Simplify right side
    74,356.12x = 4,363,760,426.17
  5. Step 5: Solve for x
    x = 4,363,760,426.17/74,356.12
  6. Step 6: Final answer
    x = 58,687.31

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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.