Home / 91,044.45-125,642.43-52,812.84

Finding the Fourth Proportional to 91,044.45, 125,642.43 and 52,812.84

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Solution

The fourth proportional to 91,044.45, 125,642.43 and 52,812.84 is: 72,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,044.45 : 125,642.43 = 52,812.84 : x
  2. Step 2: Convert to fraction form
    91,044.45/125,642.43 = 52,812.84/x
  3. Step 3: Cross multiply
    91,044.45x = 125,642.43 × 52,812.84
  4. Step 4: Simplify right side
    91,044.45x = 6,635,533,552.80
  5. Step 5: Solve for x
    x = 6,635,533,552.80/91,044.45
  6. Step 6: Final answer
    x = 72,882.35

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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.