Home / 89,380.68-133,866.82-42,666.36

Finding the Fourth Proportional to 89,380.68, 133,866.82 and 42,666.36

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Solution

The fourth proportional to 89,380.68, 133,866.82 and 42,666.36 is: 63,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,380.68 : 133,866.82 = 42,666.36 : x
  2. Step 2: Convert to fraction form
    89,380.68/133,866.82 = 42,666.36/x
  3. Step 3: Cross multiply
    89,380.68x = 133,866.82 × 42,666.36
  4. Step 4: Simplify right side
    89,380.68x = 5,711,609,934.18
  5. Step 5: Solve for x
    x = 5,711,609,934.18/89,380.68
  6. Step 6: Final answer
    x = 63,902.06

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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.