Home / 91,177.56-125,827.40-50,891.12

Finding the Fourth Proportional to 91,177.56, 125,827.40 and 50,891.12

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Solution

The fourth proportional to 91,177.56, 125,827.40 and 50,891.12 is: 70,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.56 : 125,827.40 = 50,891.12 : x
  2. Step 2: Convert to fraction form
    91,177.56/125,827.40 = 50,891.12/x
  3. Step 3: Cross multiply
    91,177.56x = 125,827.40 × 50,891.12
  4. Step 4: Simplify right side
    91,177.56x = 6,403,497,312.69
  5. Step 5: Solve for x
    x = 6,403,497,312.69/91,177.56
  6. Step 6: Final answer
    x = 70,231.07

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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.