Home / 72,536.08-100,101.10-40,706.92

Finding the Fourth Proportional to 72,536.08, 100,101.10 and 40,706.92

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Solution

The fourth proportional to 72,536.08, 100,101.10 and 40,706.92 is: 56,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536.08 : 100,101.10 = 40,706.92 : x
  2. Step 2: Convert to fraction form
    72,536.08/100,101.10 = 40,706.92/x
  3. Step 3: Cross multiply
    72,536.08x = 100,101.10 × 40,706.92
  4. Step 4: Simplify right side
    72,536.08x = 4,074,807,469.61
  5. Step 5: Solve for x
    x = 4,074,807,469.61/72,536.08
  6. Step 6: Final answer
    x = 56,176.28

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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.