Home / 91,528.31-126,319.68-55,739.27

Finding the Fourth Proportional to 91,528.31, 126,319.68 and 55,739.27

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Solution

The fourth proportional to 91,528.31, 126,319.68 and 55,739.27 is: 76,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,528.31 : 126,319.68 = 55,739.27 : x
  2. Step 2: Convert to fraction form
    91,528.31/126,319.68 = 55,739.27/x
  3. Step 3: Cross multiply
    91,528.31x = 126,319.68 × 55,739.27
  4. Step 4: Simplify right side
    91,528.31x = 7,040,966,118.24
  5. Step 5: Solve for x
    x = 7,040,966,118.24/91,528.31
  6. Step 6: Final answer
    x = 76,926.65

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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.