Home / 90,527.89-124,929.21-54,741.73

Finding the Fourth Proportional to 90,527.89, 124,929.21 and 54,741.73

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Solution

The fourth proportional to 90,527.89, 124,929.21 and 54,741.73 is: 75,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.89 : 124,929.21 = 54,741.73 : x
  2. Step 2: Convert to fraction form
    90,527.89/124,929.21 = 54,741.73/x
  3. Step 3: Cross multiply
    90,527.89x = 124,929.21 × 54,741.73
  4. Step 4: Simplify right side
    90,527.89x = 6,838,841,082.93
  5. Step 5: Solve for x
    x = 6,838,841,082.93/90,527.89
  6. Step 6: Final answer
    x = 75,544.02

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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.