Home / 91,966.53-126,917.56-51,680.16

Finding the Fourth Proportional to 91,966.53, 126,917.56 and 51,680.16

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Solution

The fourth proportional to 91,966.53, 126,917.56 and 51,680.16 is: 71,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.53 : 126,917.56 = 51,680.16 : x
  2. Step 2: Convert to fraction form
    91,966.53/126,917.56 = 51,680.16/x
  3. Step 3: Cross multiply
    91,966.53x = 126,917.56 × 51,680.16
  4. Step 4: Simplify right side
    91,966.53x = 6,559,119,807.61
  5. Step 5: Solve for x
    x = 6,559,119,807.61/91,966.53
  6. Step 6: Final answer
    x = 71,320.73

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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.