Home / 64,354.12-88,710.24-45,180.10

Finding the Fourth Proportional to 64,354.12, 88,710.24 and 45,180.10

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Solution

The fourth proportional to 64,354.12, 88,710.24 and 45,180.10 is: 62,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.12 : 88,710.24 = 45,180.10 : x
  2. Step 2: Convert to fraction form
    64,354.12/88,710.24 = 45,180.10/x
  3. Step 3: Cross multiply
    64,354.12x = 88,710.24 × 45,180.10
  4. Step 4: Simplify right side
    64,354.12x = 4,007,936,844.77
  5. Step 5: Solve for x
    x = 4,007,936,844.77/64,354.12
  6. Step 6: Final answer
    x = 62,279.42

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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.