Home / 72,543.12-108,730.44-41,400.24

Finding the Fourth Proportional to 72,543.12, 108,730.44 and 41,400.24

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Solution

The fourth proportional to 72,543.12, 108,730.44 and 41,400.24 is: 62,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,543.12 : 108,730.44 = 41,400.24 : x
  2. Step 2: Convert to fraction form
    72,543.12/108,730.44 = 41,400.24/x
  3. Step 3: Cross multiply
    72,543.12x = 108,730.44 × 41,400.24
  4. Step 4: Simplify right side
    72,543.12x = 4,501,466,311.31
  5. Step 5: Solve for x
    x = 4,501,466,311.31/72,543.12
  6. Step 6: Final answer
    x = 62,052.28

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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.