Home / 89,353.76-134,086.03-51,931.45

Finding the Fourth Proportional to 89,353.76, 134,086.03 and 51,931.45

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Solution

The fourth proportional to 89,353.76, 134,086.03 and 51,931.45 is: 77,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,353.76 : 134,086.03 = 51,931.45 : x
  2. Step 2: Convert to fraction form
    89,353.76/134,086.03 = 51,931.45/x
  3. Step 3: Cross multiply
    89,353.76x = 134,086.03 × 51,931.45
  4. Step 4: Simplify right side
    89,353.76x = 6,963,282,669.65
  5. Step 5: Solve for x
    x = 6,963,282,669.65/89,353.76
  6. Step 6: Final answer
    x = 77,929.38

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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.