Home / 74,306.18-102,528.24-42,468.32

Finding the Fourth Proportional to 74,306.18, 102,528.24 and 42,468.32

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Solution

The fourth proportional to 74,306.18, 102,528.24 and 42,468.32 is: 58,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,306.18 : 102,528.24 = 42,468.32 : x
  2. Step 2: Convert to fraction form
    74,306.18/102,528.24 = 42,468.32/x
  3. Step 3: Cross multiply
    74,306.18x = 102,528.24 × 42,468.32
  4. Step 4: Simplify right side
    74,306.18x = 4,354,202,105.36
  5. Step 5: Solve for x
    x = 4,354,202,105.36/74,306.18
  6. Step 6: Final answer
    x = 58,598.12

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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.