Home / 72,470.26-100,009.98-43,785.93

Finding the Fourth Proportional to 72,470.26, 100,009.98 and 43,785.93

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Solution

The fourth proportional to 72,470.26, 100,009.98 and 43,785.93 is: 60,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,470.26 : 100,009.98 = 43,785.93 : x
  2. Step 2: Convert to fraction form
    72,470.26/100,009.98 = 43,785.93/x
  3. Step 3: Cross multiply
    72,470.26x = 100,009.98 × 43,785.93
  4. Step 4: Simplify right side
    72,470.26x = 4,379,029,983.58
  5. Step 5: Solve for x
    x = 4,379,029,983.58/72,470.26
  6. Step 6: Final answer
    x = 60,425.20

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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.