Home / 72,535.70-100,101.24-40,706.55

Finding the Fourth Proportional to 72,535.70, 100,101.24 and 40,706.55

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Solution

The fourth proportional to 72,535.70, 100,101.24 and 40,706.55 is: 56,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535.70 : 100,101.24 = 40,706.55 : x
  2. Step 2: Convert to fraction form
    72,535.70/100,101.24 = 40,706.55/x
  3. Step 3: Cross multiply
    72,535.70x = 100,101.24 × 40,706.55
  4. Step 4: Simplify right side
    72,535.70x = 4,074,776,131.12
  5. Step 5: Solve for x
    x = 4,074,776,131.12/72,535.70
  6. Step 6: Final answer
    x = 56,176.14

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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.