Home / 88,830.81-133,156.33-38,262.80

Finding the Fourth Proportional to 88,830.81, 133,156.33 and 38,262.80

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Solution

The fourth proportional to 88,830.81, 133,156.33 and 38,262.80 is: 57,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,830.81 : 133,156.33 = 38,262.80 : x
  2. Step 2: Convert to fraction form
    88,830.81/133,156.33 = 38,262.80/x
  3. Step 3: Cross multiply
    88,830.81x = 133,156.33 × 38,262.80
  4. Step 4: Simplify right side
    88,830.81x = 5,094,934,260.76
  5. Step 5: Solve for x
    x = 5,094,934,260.76/88,830.81
  6. Step 6: Final answer
    x = 57,355.49

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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.