Home / 88,213.60-121,734.90-47,927.04

Finding the Fourth Proportional to 88,213.60, 121,734.90 and 47,927.04

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Solution

The fourth proportional to 88,213.60, 121,734.90 and 47,927.04 is: 66,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.60 : 121,734.90 = 47,927.04 : x
  2. Step 2: Convert to fraction form
    88,213.60/121,734.90 = 47,927.04/x
  3. Step 3: Cross multiply
    88,213.60x = 121,734.90 × 47,927.04
  4. Step 4: Simplify right side
    88,213.60x = 5,834,393,421.70
  5. Step 5: Solve for x
    x = 5,834,393,421.70/88,213.60
  6. Step 6: Final answer
    x = 66,139.39

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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.