Home / 75,254.42-103,921.40-48,443.52

Finding the Fourth Proportional to 75,254.42, 103,921.40 and 48,443.52

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Solution

The fourth proportional to 75,254.42, 103,921.40 and 48,443.52 is: 66,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,254.42 : 103,921.40 = 48,443.52 : x
  2. Step 2: Convert to fraction form
    75,254.42/103,921.40 = 48,443.52/x
  3. Step 3: Cross multiply
    75,254.42x = 103,921.40 × 48,443.52
  4. Step 4: Simplify right side
    75,254.42x = 5,034,318,177.11
  5. Step 5: Solve for x
    x = 5,034,318,177.11/75,254.42
  6. Step 6: Final answer
    x = 66,897.31

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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.