Home / 72,548.29-100,126.41-40,718.93

Finding the Fourth Proportional to 72,548.29, 100,126.41 and 40,718.93

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Solution

The fourth proportional to 72,548.29, 100,126.41 and 40,718.93 is: 56,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,548.29 : 100,126.41 = 40,718.93 : x
  2. Step 2: Convert to fraction form
    72,548.29/100,126.41 = 40,718.93/x
  3. Step 3: Cross multiply
    72,548.29x = 100,126.41 × 40,718.93
  4. Step 4: Simplify right side
    72,548.29x = 4,077,040,279.94
  5. Step 5: Solve for x
    x = 4,077,040,279.94/72,548.29
  6. Step 6: Final answer
    x = 56,197.61

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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.