Home / 60,655.12-90,930.84-39,832.72

Finding the Fourth Proportional to 60,655.12, 90,930.84 and 39,832.72

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Solution

The fourth proportional to 60,655.12, 90,930.84 and 39,832.72 is: 59,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.12 : 90,930.84 = 39,832.72 : x
  2. Step 2: Convert to fraction form
    60,655.12/90,930.84 = 39,832.72/x
  3. Step 3: Cross multiply
    60,655.12x = 90,930.84 × 39,832.72
  4. Step 4: Simplify right side
    60,655.12x = 3,622,022,689.08
  5. Step 5: Solve for x
    x = 3,622,022,689.08/60,655.12
  6. Step 6: Final answer
    x = 59,715.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.