Home / 72,532.15-100,104.33-40,702.93

Finding the Fourth Proportional to 72,532.15, 100,104.33 and 40,702.93

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Solution

The fourth proportional to 72,532.15, 100,104.33 and 40,702.93 is: 56,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,532.15 : 100,104.33 = 40,702.93 : x
  2. Step 2: Convert to fraction form
    72,532.15/100,104.33 = 40,702.93/x
  3. Step 3: Cross multiply
    72,532.15x = 100,104.33 × 40,702.93
  4. Step 4: Simplify right side
    72,532.15x = 4,074,539,536.69
  5. Step 5: Solve for x
    x = 4,074,539,536.69/72,532.15
  6. Step 6: Final answer
    x = 56,175.63

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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.