Home / 91,188.36-125,860.92-53,474.76

Finding the Fourth Proportional to 91,188.36, 125,860.92 and 53,474.76

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Solution

The fourth proportional to 91,188.36, 125,860.92 and 53,474.76 is: 73,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,188.36 : 125,860.92 = 53,474.76 : x
  2. Step 2: Convert to fraction form
    91,188.36/125,860.92 = 53,474.76/x
  3. Step 3: Cross multiply
    91,188.36x = 125,860.92 × 53,474.76
  4. Step 4: Simplify right side
    91,188.36x = 6,730,382,490.38
  5. Step 5: Solve for x
    x = 6,730,382,490.38/91,188.36
  6. Step 6: Final answer
    x = 73,807.47

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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.