Home / 88,001.42-121,442.54-47,715.80

Finding the Fourth Proportional to 88,001.42, 121,442.54 and 47,715.80

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Solution

The fourth proportional to 88,001.42, 121,442.54 and 47,715.80 is: 65,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.42 : 121,442.54 = 47,715.80 : x
  2. Step 2: Convert to fraction form
    88,001.42/121,442.54 = 47,715.80/x
  3. Step 3: Cross multiply
    88,001.42x = 121,442.54 × 47,715.80
  4. Step 4: Simplify right side
    88,001.42x = 5,794,727,104.34
  5. Step 5: Solve for x
    x = 5,794,727,104.34/88,001.42
  6. Step 6: Final answer
    x = 65,848.11

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1.5x scale

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.