Home / 91,080.64-125,648.38-59,237.92

Finding the Fourth Proportional to 91,080.64, 125,648.38 and 59,237.92

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Solution

The fourth proportional to 91,080.64, 125,648.38 and 59,237.92 is: 81,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080.64 : 125,648.38 = 59,237.92 : x
  2. Step 2: Convert to fraction form
    91,080.64/125,648.38 = 59,237.92/x
  3. Step 3: Cross multiply
    91,080.64x = 125,648.38 × 59,237.92
  4. Step 4: Simplify right side
    91,080.64x = 7,443,148,054.33
  5. Step 5: Solve for x
    x = 7,443,148,054.33/91,080.64
  6. Step 6: Final answer
    x = 81,720.42

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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.