Home / 88,211.92-121,733.76-47,926.48

Finding the Fourth Proportional to 88,211.92, 121,733.76 and 47,926.48

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Solution

The fourth proportional to 88,211.92, 121,733.76 and 47,926.48 is: 66,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,211.92 : 121,733.76 = 47,926.48 : x
  2. Step 2: Convert to fraction form
    88,211.92/121,733.76 = 47,926.48/x
  3. Step 3: Cross multiply
    88,211.92x = 121,733.76 × 47,926.48
  4. Step 4: Simplify right side
    88,211.92x = 5,834,270,613.96
  5. Step 5: Solve for x
    x = 5,834,270,613.96/88,211.92
  6. Step 6: Final answer
    x = 66,139.25

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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.