Home / 89,320.65-133,981.70-32,434.77

Finding the Fourth Proportional to 89,320.65, 133,981.70 and 32,434.77

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Solution

The fourth proportional to 89,320.65, 133,981.70 and 32,434.77 is: 48,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,320.65 : 133,981.70 = 32,434.77 : x
  2. Step 2: Convert to fraction form
    89,320.65/133,981.70 = 32,434.77/x
  3. Step 3: Cross multiply
    89,320.65x = 133,981.70 × 32,434.77
  4. Step 4: Simplify right side
    89,320.65x = 4,345,665,461.54
  5. Step 5: Solve for x
    x = 4,345,665,461.54/89,320.65
  6. Step 6: Final answer
    x = 48,652.42

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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.