Home / 91,589.94-126,398.88-51,301.35

Finding the Fourth Proportional to 91,589.94, 126,398.88 and 51,301.35

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Solution

The fourth proportional to 91,589.94, 126,398.88 and 51,301.35 is: 70,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,589.94 : 126,398.88 = 51,301.35 : x
  2. Step 2: Convert to fraction form
    91,589.94/126,398.88 = 51,301.35/x
  3. Step 3: Cross multiply
    91,589.94x = 126,398.88 × 51,301.35
  4. Step 4: Simplify right side
    91,589.94x = 6,484,433,182.49
  5. Step 5: Solve for x
    x = 6,484,433,182.49/91,589.94
  6. Step 6: Final answer
    x = 70,798.53

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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.