Home / 91,023.85-125,576.09-55,200.79

Finding the Fourth Proportional to 91,023.85, 125,576.09 and 55,200.79

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Solution

The fourth proportional to 91,023.85, 125,576.09 and 55,200.79 is: 76,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023.85 : 125,576.09 = 55,200.79 : x
  2. Step 2: Convert to fraction form
    91,023.85/125,576.09 = 55,200.79/x
  3. Step 3: Cross multiply
    91,023.85x = 125,576.09 × 55,200.79
  4. Step 4: Simplify right side
    91,023.85x = 6,931,899,097.11
  5. Step 5: Solve for x
    x = 6,931,899,097.11/91,023.85
  6. Step 6: Final answer
    x = 76,154.76

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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.