Home / 72,534.75-100,095.58-40,704.18

Finding the Fourth Proportional to 72,534.75, 100,095.58 and 40,704.18

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Solution

The fourth proportional to 72,534.75, 100,095.58 and 40,704.18 is: 56,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,534.75 : 100,095.58 = 40,704.18 : x
  2. Step 2: Convert to fraction form
    72,534.75/100,095.58 = 40,704.18/x
  3. Step 3: Cross multiply
    72,534.75x = 100,095.58 × 40,704.18
  4. Step 4: Simplify right side
    72,534.75x = 4,074,308,505.52
  5. Step 5: Solve for x
    x = 4,074,308,505.52/72,534.75
  6. Step 6: Final answer
    x = 56,170.44

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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.