Home / 91,049.30-125,668.16-59,162.84

Finding the Fourth Proportional to 91,049.30, 125,668.16 and 59,162.84

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Solution

The fourth proportional to 91,049.30, 125,668.16 and 59,162.84 is: 81,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.30 : 125,668.16 = 59,162.84 : x
  2. Step 2: Convert to fraction form
    91,049.30/125,668.16 = 59,162.84/x
  3. Step 3: Cross multiply
    91,049.30x = 125,668.16 × 59,162.84
  4. Step 4: Simplify right side
    91,049.30x = 7,434,884,319.02
  5. Step 5: Solve for x
    x = 7,434,884,319.02/91,049.30
  6. Step 6: Final answer
    x = 81,657.79

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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.