Home / 88,937.31-122,764.74-54,971.85

Finding the Fourth Proportional to 88,937.31, 122,764.74 and 54,971.85

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Solution

The fourth proportional to 88,937.31, 122,764.74 and 54,971.85 is: 75,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,937.31 : 122,764.74 = 54,971.85 : x
  2. Step 2: Convert to fraction form
    88,937.31/122,764.74 = 54,971.85/x
  3. Step 3: Cross multiply
    88,937.31x = 122,764.74 × 54,971.85
  4. Step 4: Simplify right side
    88,937.31x = 6,748,604,872.57
  5. Step 5: Solve for x
    x = 6,748,604,872.57/88,937.31
  6. Step 6: Final answer
    x = 75,880.47

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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.