Home / 64,122.38-88,442.99-45,006.42

Finding the Fourth Proportional to 64,122.38, 88,442.99 and 45,006.42

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Solution

The fourth proportional to 64,122.38, 88,442.99 and 45,006.42 is: 62,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.38 : 88,442.99 = 45,006.42 : x
  2. Step 2: Convert to fraction form
    64,122.38/88,442.99 = 45,006.42/x
  3. Step 3: Cross multiply
    64,122.38x = 88,442.99 × 45,006.42
  4. Step 4: Simplify right side
    64,122.38x = 3,980,502,354.00
  5. Step 5: Solve for x
    x = 3,980,502,354.00/64,122.38
  6. Step 6: Final answer
    x = 62,076.65

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1.5x scale

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.