Home / 75,181.52-103,639.56-59,234.24

Finding the Fourth Proportional to 75,181.52, 103,639.56 and 59,234.24

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Solution

The fourth proportional to 75,181.52, 103,639.56 and 59,234.24 is: 81,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.52 : 103,639.56 = 59,234.24 : x
  2. Step 2: Convert to fraction form
    75,181.52/103,639.56 = 59,234.24/x
  3. Step 3: Cross multiply
    75,181.52x = 103,639.56 × 59,234.24
  4. Step 4: Simplify right side
    75,181.52x = 6,139,010,570.53
  5. Step 5: Solve for x
    x = 6,139,010,570.53/75,181.52
  6. Step 6: Final answer
    x = 81,655.85

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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.