Home / 72,374.22-99,925.18-45,191.70

Finding the Fourth Proportional to 72,374.22, 99,925.18 and 45,191.70

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Solution

The fourth proportional to 72,374.22, 99,925.18 and 45,191.70 is: 62,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,374.22 : 99,925.18 = 45,191.70 : x
  2. Step 2: Convert to fraction form
    72,374.22/99,925.18 = 45,191.70/x
  3. Step 3: Cross multiply
    72,374.22x = 99,925.18 × 45,191.70
  4. Step 4: Simplify right side
    72,374.22x = 4,515,788,757.01
  5. Step 5: Solve for x
    x = 4,515,788,757.01/72,374.22
  6. Step 6: Final answer
    x = 62,394.99

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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.