Home / 66,320.92-91,542.18-52,985.08

Finding the Fourth Proportional to 66,320.92, 91,542.18 and 52,985.08

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Solution

The fourth proportional to 66,320.92, 91,542.18 and 52,985.08 is: 73,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.92 : 91,542.18 = 52,985.08 : x
  2. Step 2: Convert to fraction form
    66,320.92/91,542.18 = 52,985.08/x
  3. Step 3: Cross multiply
    66,320.92x = 91,542.18 × 52,985.08
  4. Step 4: Simplify right side
    66,320.92x = 4,850,369,730.67
  5. Step 5: Solve for x
    x = 4,850,369,730.67/66,320.92
  6. Step 6: Final answer
    x = 73,134.84

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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.