Home / 72,789.40-100,424.46-44,117.92

Finding the Fourth Proportional to 72,789.40, 100,424.46 and 44,117.92

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Solution

The fourth proportional to 72,789.40, 100,424.46 and 44,117.92 is: 60,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,789.40 : 100,424.46 = 44,117.92 : x
  2. Step 2: Convert to fraction form
    72,789.40/100,424.46 = 44,117.92/x
  3. Step 3: Cross multiply
    72,789.40x = 100,424.46 × 44,117.92
  4. Step 4: Simplify right side
    72,789.40x = 4,430,518,292.32
  5. Step 5: Solve for x
    x = 4,430,518,292.32/72,789.40
  6. Step 6: Final answer
    x = 60,867.63

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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.