Home / 72,508.26-100,056.28-40,244.52

Finding the Fourth Proportional to 72,508.26, 100,056.28 and 40,244.52

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Solution

The fourth proportional to 72,508.26, 100,056.28 and 40,244.52 is: 55,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,508.26 : 100,056.28 = 40,244.52 : x
  2. Step 2: Convert to fraction form
    72,508.26/100,056.28 = 40,244.52/x
  3. Step 3: Cross multiply
    72,508.26x = 100,056.28 × 40,244.52
  4. Step 4: Simplify right side
    72,508.26x = 4,026,716,961.59
  5. Step 5: Solve for x
    x = 4,026,716,961.59/72,508.26
  6. Step 6: Final answer
    x = 55,534.60

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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.