Home / 91,342.08-126,051.12-53,609.04

Finding the Fourth Proportional to 91,342.08, 126,051.12 and 53,609.04

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Solution

The fourth proportional to 91,342.08, 126,051.12 and 53,609.04 is: 73,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,342.08 : 126,051.12 = 53,609.04 : x
  2. Step 2: Convert to fraction form
    91,342.08/126,051.12 = 53,609.04/x
  3. Step 3: Cross multiply
    91,342.08x = 126,051.12 × 53,609.04
  4. Step 4: Simplify right side
    91,342.08x = 6,757,479,534.12
  5. Step 5: Solve for x
    x = 6,757,479,534.12/91,342.08
  6. Step 6: Final answer
    x = 73,979.92

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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.