Home / 88,187.93-121,700.26-47,902.48

Finding the Fourth Proportional to 88,187.93, 121,700.26 and 47,902.48

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Solution

The fourth proportional to 88,187.93, 121,700.26 and 47,902.48 is: 66,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,187.93 : 121,700.26 = 47,902.48 : x
  2. Step 2: Convert to fraction form
    88,187.93/121,700.26 = 47,902.48/x
  3. Step 3: Cross multiply
    88,187.93x = 121,700.26 × 47,902.48
  4. Step 4: Simplify right side
    88,187.93x = 5,829,744,270.64
  5. Step 5: Solve for x
    x = 5,829,744,270.64/88,187.93
  6. Step 6: Final answer
    x = 66,105.92

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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.