Home / 91,301.18-126,010.08-55,502.42

Finding the Fourth Proportional to 91,301.18, 126,010.08 and 55,502.42

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Solution

The fourth proportional to 91,301.18, 126,010.08 and 55,502.42 is: 76,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.18 : 126,010.08 = 55,502.42 : x
  2. Step 2: Convert to fraction form
    91,301.18/126,010.08 = 55,502.42/x
  3. Step 3: Cross multiply
    91,301.18x = 126,010.08 × 55,502.42
  4. Step 4: Simplify right side
    91,301.18x = 6,993,863,754.34
  5. Step 5: Solve for x
    x = 6,993,863,754.34/91,301.18
  6. Step 6: Final answer
    x = 76,602.12

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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.