Home / 75,432.20-113,148.30-49,188.20

Finding the Fourth Proportional to 75,432.20, 113,148.30 and 49,188.20

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Solution

The fourth proportional to 75,432.20, 113,148.30 and 49,188.20 is: 73,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.20 : 113,148.30 = 49,188.20 : x
  2. Step 2: Convert to fraction form
    75,432.20/113,148.30 = 49,188.20/x
  3. Step 3: Cross multiply
    75,432.20x = 113,148.30 × 49,188.20
  4. Step 4: Simplify right side
    75,432.20x = 5,565,561,210.06
  5. Step 5: Solve for x
    x = 5,565,561,210.06/75,432.20
  6. Step 6: Final answer
    x = 73,782.30

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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.