Home / 74,773.55-112,181.51-30,432.13

Finding the Fourth Proportional to 74,773.55, 112,181.51 and 30,432.13

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Solution

The fourth proportional to 74,773.55, 112,181.51 and 30,432.13 is: 45,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.55 : 112,181.51 = 30,432.13 : x
  2. Step 2: Convert to fraction form
    74,773.55/112,181.51 = 30,432.13/x
  3. Step 3: Cross multiply
    74,773.55x = 112,181.51 × 30,432.13
  4. Step 4: Simplify right side
    74,773.55x = 3,413,922,295.92
  5. Step 5: Solve for x
    x = 3,413,922,295.92/74,773.55
  6. Step 6: Final answer
    x = 45,656.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.