Home / 88,211.76-121,731.72-47,925.24

Finding the Fourth Proportional to 88,211.76, 121,731.72 and 47,925.24

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Solution

The fourth proportional to 88,211.76, 121,731.72 and 47,925.24 is: 66,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,211.76 : 121,731.72 = 47,925.24 : x
  2. Step 2: Convert to fraction form
    88,211.76/121,731.72 = 47,925.24/x
  3. Step 3: Cross multiply
    88,211.76x = 121,731.72 × 47,925.24
  4. Step 4: Simplify right side
    88,211.76x = 5,834,021,896.61
  5. Step 5: Solve for x
    x = 5,834,021,896.61/88,211.76
  6. Step 6: Final answer
    x = 66,136.55

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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.