Home / 72,730.18-100,375.25-44,454.74

Finding the Fourth Proportional to 72,730.18, 100,375.25 and 44,454.74

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Solution

The fourth proportional to 72,730.18, 100,375.25 and 44,454.74 is: 61,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,730.18 : 100,375.25 = 44,454.74 : x
  2. Step 2: Convert to fraction form
    72,730.18/100,375.25 = 44,454.74/x
  3. Step 3: Cross multiply
    72,730.18x = 100,375.25 × 44,454.74
  4. Step 4: Simplify right side
    72,730.18x = 4,462,155,641.19
  5. Step 5: Solve for x
    x = 4,462,155,641.19/72,730.18
  6. Step 6: Final answer
    x = 61,352.19

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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.