Home / 74,778.20-103,148.34-44,543.24

Finding the Fourth Proportional to 74,778.20, 103,148.34 and 44,543.24

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Solution

The fourth proportional to 74,778.20, 103,148.34 and 44,543.24 is: 61,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,778.20 : 103,148.34 = 44,543.24 : x
  2. Step 2: Convert to fraction form
    74,778.20/103,148.34 = 44,543.24/x
  3. Step 3: Cross multiply
    74,778.20x = 103,148.34 × 44,543.24
  4. Step 4: Simplify right side
    74,778.20x = 4,594,561,264.22
  5. Step 5: Solve for x
    x = 4,594,561,264.22/74,778.20
  6. Step 6: Final answer
    x = 61,442.52

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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.