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Finding the Fourth Proportional to 77,079.83, 115,618.10 and 35,526.83

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Solution

The fourth proportional to 77,079.83, 115,618.10 and 35,526.83 is: 53,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,079.83 : 115,618.10 = 35,526.83 : x
  2. Step 2: Convert to fraction form
    77,079.83/115,618.10 = 35,526.83/x
  3. Step 3: Cross multiply
    77,079.83x = 115,618.10 × 35,526.83
  4. Step 4: Simplify right side
    77,079.83x = 4,107,543,827.90
  5. Step 5: Solve for x
    x = 4,107,543,827.90/77,079.83
  6. Step 6: Final answer
    x = 53,289.48

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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.