Home / 89,397.68-133,892.32-42,683.36

Finding the Fourth Proportional to 89,397.68, 133,892.32 and 42,683.36

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Solution

The fourth proportional to 89,397.68, 133,892.32 and 42,683.36 is: 63,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,397.68 : 133,892.32 = 42,683.36 : x
  2. Step 2: Convert to fraction form
    89,397.68/133,892.32 = 42,683.36/x
  3. Step 3: Cross multiply
    89,397.68x = 133,892.32 × 42,683.36
  4. Step 4: Simplify right side
    89,397.68x = 5,714,974,095.80
  5. Step 5: Solve for x
    x = 5,714,974,095.80/89,397.68
  6. Step 6: Final answer
    x = 63,927.54

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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.