Home / 88,185.52-121,697.49-47,899.36

Finding the Fourth Proportional to 88,185.52, 121,697.49 and 47,899.36

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Solution

The fourth proportional to 88,185.52, 121,697.49 and 47,899.36 is: 66,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.52 : 121,697.49 = 47,899.36 : x
  2. Step 2: Convert to fraction form
    88,185.52/121,697.49 = 47,899.36/x
  3. Step 3: Cross multiply
    88,185.52x = 121,697.49 × 47,899.36
  4. Step 4: Simplify right side
    88,185.52x = 5,829,231,884.61
  5. Step 5: Solve for x
    x = 5,829,231,884.61/88,185.52
  6. Step 6: Final answer
    x = 66,101.92

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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.