Home / 90,941.14-125,499-52,708.11

Finding the Fourth Proportional to 90,941.14, 125,499 and 52,708.11

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Solution

The fourth proportional to 90,941.14, 125,499 and 52,708.11 is: 72,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,941.14 : 125,499 = 52,708.11 : x
  2. Step 2: Convert to fraction form
    90,941.14/125,499 = 52,708.11/x
  3. Step 3: Cross multiply
    90,941.14x = 125,499 × 52,708.11
  4. Step 4: Simplify right side
    90,941.14x = 6,614,815,096.89
  5. Step 5: Solve for x
    x = 6,614,815,096.89/90,941.14
  6. Step 6: Final answer
    x = 72,737.32

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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.