Home / 91,740.12-126,582.12-59,955.72

Finding the Fourth Proportional to 91,740.12, 126,582.12 and 59,955.72

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Solution

The fourth proportional to 91,740.12, 126,582.12 and 59,955.72 is: 82,726.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740.12 : 126,582.12 = 59,955.72 : x
  2. Step 2: Convert to fraction form
    91,740.12/126,582.12 = 59,955.72/x
  3. Step 3: Cross multiply
    91,740.12x = 126,582.12 × 59,955.72
  4. Step 4: Simplify right side
    91,740.12x = 7,589,322,143.73
  5. Step 5: Solve for x
    x = 7,589,322,143.73/91,740.12
  6. Step 6: Final answer
    x = 82,726.32

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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.