Home / 72,344.63-99,833.27-40,077.93

Finding the Fourth Proportional to 72,344.63, 99,833.27 and 40,077.93

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Solution

The fourth proportional to 72,344.63, 99,833.27 and 40,077.93 is: 55,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.63 : 99,833.27 = 40,077.93 : x
  2. Step 2: Convert to fraction form
    72,344.63/99,833.27 = 40,077.93/x
  3. Step 3: Cross multiply
    72,344.63x = 99,833.27 × 40,077.93
  4. Step 4: Simplify right side
    72,344.63x = 4,001,110,806.73
  5. Step 5: Solve for x
    x = 4,001,110,806.73/72,344.63
  6. Step 6: Final answer
    x = 55,306.26

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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.