Home / 71,849.34-99,117.75-55,824.12

Finding the Fourth Proportional to 71,849.34, 99,117.75 and 55,824.12

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Solution

The fourth proportional to 71,849.34, 99,117.75 and 55,824.12 is: 77,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.34 : 99,117.75 = 55,824.12 : x
  2. Step 2: Convert to fraction form
    71,849.34/99,117.75 = 55,824.12/x
  3. Step 3: Cross multiply
    71,849.34x = 99,117.75 × 55,824.12
  4. Step 4: Simplify right side
    71,849.34x = 5,533,161,170.13
  5. Step 5: Solve for x
    x = 5,533,161,170.13/71,849.34
  6. Step 6: Final answer
    x = 77,010.61

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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.