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Finding the Fourth Proportional to 80,130.08, 110,602.50 and 52,926.05

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Solution

The fourth proportional to 80,130.08, 110,602.50 and 52,926.05 is: 73,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130.08 : 110,602.50 = 52,926.05 : x
  2. Step 2: Convert to fraction form
    80,130.08/110,602.50 = 52,926.05/x
  3. Step 3: Cross multiply
    80,130.08x = 110,602.50 × 52,926.05
  4. Step 4: Simplify right side
    80,130.08x = 5,853,753,445.13
  5. Step 5: Solve for x
    x = 5,853,753,445.13/80,130.08
  6. Step 6: Final answer
    x = 73,053.13

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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.