Home / 88,270.13-121,813.20-47,983.88

Finding the Fourth Proportional to 88,270.13, 121,813.20 and 47,983.88

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Solution

The fourth proportional to 88,270.13, 121,813.20 and 47,983.88 is: 66,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,270.13 : 121,813.20 = 47,983.88 : x
  2. Step 2: Convert to fraction form
    88,270.13/121,813.20 = 47,983.88/x
  3. Step 3: Cross multiply
    88,270.13x = 121,813.20 × 47,983.88
  4. Step 4: Simplify right side
    88,270.13x = 5,845,069,362.15
  5. Step 5: Solve for x
    x = 5,845,069,362.15/88,270.13
  6. Step 6: Final answer
    x = 66,217.98

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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.