Home / 91,909.84-126,803.28-60,097.36

Finding the Fourth Proportional to 91,909.84, 126,803.28 and 60,097.36

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Solution

The fourth proportional to 91,909.84, 126,803.28 and 60,097.36 is: 82,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,909.84 : 126,803.28 = 60,097.36 : x
  2. Step 2: Convert to fraction form
    91,909.84/126,803.28 = 60,097.36/x
  3. Step 3: Cross multiply
    91,909.84x = 126,803.28 × 60,097.36
  4. Step 4: Simplify right side
    91,909.84x = 7,620,542,367.34
  5. Step 5: Solve for x
    x = 7,620,542,367.34/91,909.84
  6. Step 6: Final answer
    x = 82,913.24

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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.