Home / 88,275.38-121,814.96-47,988.82

Finding the Fourth Proportional to 88,275.38, 121,814.96 and 47,988.82

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Solution

The fourth proportional to 88,275.38, 121,814.96 and 47,988.82 is: 66,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.38 : 121,814.96 = 47,988.82 : x
  2. Step 2: Convert to fraction form
    88,275.38/121,814.96 = 47,988.82/x
  3. Step 3: Cross multiply
    88,275.38x = 121,814.96 × 47,988.82
  4. Step 4: Simplify right side
    88,275.38x = 5,845,756,188.75
  5. Step 5: Solve for x
    x = 5,845,756,188.75/88,275.38
  6. Step 6: Final answer
    x = 66,221.82

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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.