Home / 91,904.18-126,828.27-51,617.94

Finding the Fourth Proportional to 91,904.18, 126,828.27 and 51,617.94

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Solution

The fourth proportional to 91,904.18, 126,828.27 and 51,617.94 is: 71,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,904.18 : 126,828.27 = 51,617.94 : x
  2. Step 2: Convert to fraction form
    91,904.18/126,828.27 = 51,617.94/x
  3. Step 3: Cross multiply
    91,904.18x = 126,828.27 × 51,617.94
  4. Step 4: Simplify right side
    91,904.18x = 6,546,614,031.16
  5. Step 5: Solve for x
    x = 6,546,614,031.16/91,904.18
  6. Step 6: Final answer
    x = 71,233.04

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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.