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Finding the Fourth Proportional to 69,618.59, 96,151.96 and 47,050.77

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Solution

The fourth proportional to 69,618.59, 96,151.96 and 47,050.77 is: 64,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.59 : 96,151.96 = 47,050.77 : x
  2. Step 2: Convert to fraction form
    69,618.59/96,151.96 = 47,050.77/x
  3. Step 3: Cross multiply
    69,618.59x = 96,151.96 × 47,050.77
  4. Step 4: Simplify right side
    69,618.59x = 4,524,023,755.01
  5. Step 5: Solve for x
    x = 4,524,023,755.01/69,618.59
  6. Step 6: Final answer
    x = 64,982.98

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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.