Home / 78,592.32-108,462.24-45,069.12

Finding the Fourth Proportional to 78,592.32, 108,462.24 and 45,069.12

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Solution

The fourth proportional to 78,592.32, 108,462.24 and 45,069.12 is: 62,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,592.32 : 108,462.24 = 45,069.12 : x
  2. Step 2: Convert to fraction form
    78,592.32/108,462.24 = 45,069.12/x
  3. Step 3: Cross multiply
    78,592.32x = 108,462.24 × 45,069.12
  4. Step 4: Simplify right side
    78,592.32x = 4,888,297,710.03
  5. Step 5: Solve for x
    x = 4,888,297,710.03/78,592.32
  6. Step 6: Final answer
    x = 62,198.16

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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.