Home / 88,851.78-122,612.07-48,565.20

Finding the Fourth Proportional to 88,851.78, 122,612.07 and 48,565.20

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Solution

The fourth proportional to 88,851.78, 122,612.07 and 48,565.20 is: 67,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,851.78 : 122,612.07 = 48,565.20 : x
  2. Step 2: Convert to fraction form
    88,851.78/122,612.07 = 48,565.20/x
  3. Step 3: Cross multiply
    88,851.78x = 122,612.07 × 48,565.20
  4. Step 4: Simplify right side
    88,851.78x = 5,954,679,701.96
  5. Step 5: Solve for x
    x = 5,954,679,701.96/88,851.78
  6. Step 6: Final answer
    x = 67,018.13

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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.