Home / 74,774.05-112,182.26-30,432.63

Finding the Fourth Proportional to 74,774.05, 112,182.26 and 30,432.63

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Solution

The fourth proportional to 74,774.05, 112,182.26 and 30,432.63 is: 45,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,774.05 : 112,182.26 = 30,432.63 : x
  2. Step 2: Convert to fraction form
    74,774.05/112,182.26 = 30,432.63/x
  3. Step 3: Cross multiply
    74,774.05x = 112,182.26 × 30,432.63
  4. Step 4: Simplify right side
    74,774.05x = 3,414,001,211.14
  5. Step 5: Solve for x
    x = 3,414,001,211.14/74,774.05
  6. Step 6: Final answer
    x = 45,657.57

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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.