Home / 89,767.85-123,881.40-49,484.52

Finding the Fourth Proportional to 89,767.85, 123,881.40 and 49,484.52

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Solution

The fourth proportional to 89,767.85, 123,881.40 and 49,484.52 is: 68,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.85 : 123,881.40 = 49,484.52 : x
  2. Step 2: Convert to fraction form
    89,767.85/123,881.40 = 49,484.52/x
  3. Step 3: Cross multiply
    89,767.85x = 123,881.40 × 49,484.52
  4. Step 4: Simplify right side
    89,767.85x = 6,130,211,615.93
  5. Step 5: Solve for x
    x = 6,130,211,615.93/89,767.85
  6. Step 6: Final answer
    x = 68,289.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.