Home / 91,206.16-125,842.24-53,473.12

Finding the Fourth Proportional to 91,206.16, 125,842.24 and 53,473.12

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Solution

The fourth proportional to 91,206.16, 125,842.24 and 53,473.12 is: 73,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,206.16 : 125,842.24 = 53,473.12 : x
  2. Step 2: Convert to fraction form
    91,206.16/125,842.24 = 53,473.12/x
  3. Step 3: Cross multiply
    91,206.16x = 125,842.24 × 53,473.12
  4. Step 4: Simplify right side
    91,206.16x = 6,729,177,200.59
  5. Step 5: Solve for x
    x = 6,729,177,200.59/91,206.16
  6. Step 6: Final answer
    x = 73,779.85

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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.