Home / 71,864.48-99,152.88-43,551.20

Finding the Fourth Proportional to 71,864.48, 99,152.88 and 43,551.20

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Solution

The fourth proportional to 71,864.48, 99,152.88 and 43,551.20 is: 60,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,864.48 : 99,152.88 = 43,551.20 : x
  2. Step 2: Convert to fraction form
    71,864.48/99,152.88 = 43,551.20/x
  3. Step 3: Cross multiply
    71,864.48x = 99,152.88 × 43,551.20
  4. Step 4: Simplify right side
    71,864.48x = 4,318,226,907.46
  5. Step 5: Solve for x
    x = 4,318,226,907.46/71,864.48
  6. Step 6: Final answer
    x = 60,088.47

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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.