Home / 91,966.86-126,972.36-60,189.48

Finding the Fourth Proportional to 91,966.86, 126,972.36 and 60,189.48

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Solution

The fourth proportional to 91,966.86, 126,972.36 and 60,189.48 is: 83,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.86 : 126,972.36 = 60,189.48 : x
  2. Step 2: Convert to fraction form
    91,966.86/126,972.36 = 60,189.48/x
  3. Step 3: Cross multiply
    91,966.86x = 126,972.36 × 60,189.48
  4. Step 4: Simplify right side
    91,966.86x = 7,642,400,322.77
  5. Step 5: Solve for x
    x = 7,642,400,322.77/91,966.86
  6. Step 6: Final answer
    x = 83,099.50

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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.