Home / 88,721.93-122,434.31-48,434.15

Finding the Fourth Proportional to 88,721.93, 122,434.31 and 48,434.15

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Solution

The fourth proportional to 88,721.93, 122,434.31 and 48,434.15 is: 66,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.93 : 122,434.31 = 48,434.15 : x
  2. Step 2: Convert to fraction form
    88,721.93/122,434.31 = 48,434.15/x
  3. Step 3: Cross multiply
    88,721.93x = 122,434.31 × 48,434.15
  4. Step 4: Simplify right side
    88,721.93x = 5,930,000,881.34
  5. Step 5: Solve for x
    x = 5,930,000,881.34/88,721.93
  6. Step 6: Final answer
    x = 66,838.05

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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.