Home / 56,819.95-85,132.86-40,147.72

Finding the Fourth Proportional to 56,819.95, 85,132.86 and 40,147.72

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Solution

The fourth proportional to 56,819.95, 85,132.86 and 40,147.72 is: 60,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.95 : 85,132.86 = 40,147.72 : x
  2. Step 2: Convert to fraction form
    56,819.95/85,132.86 = 40,147.72/x
  3. Step 3: Cross multiply
    56,819.95x = 85,132.86 × 40,147.72
  4. Step 4: Simplify right side
    56,819.95x = 3,417,890,226.08
  5. Step 5: Solve for x
    x = 3,417,890,226.08/56,819.95
  6. Step 6: Final answer
    x = 60,153.00

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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.