Home / 91,475.75-126,219.93-52,707.53

Finding the Fourth Proportional to 91,475.75, 126,219.93 and 52,707.53

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Solution

The fourth proportional to 91,475.75, 126,219.93 and 52,707.53 is: 72,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,475.75 : 126,219.93 = 52,707.53 : x
  2. Step 2: Convert to fraction form
    91,475.75/126,219.93 = 52,707.53/x
  3. Step 3: Cross multiply
    91,475.75x = 126,219.93 × 52,707.53
  4. Step 4: Simplify right side
    91,475.75x = 6,652,740,747.07
  5. Step 5: Solve for x
    x = 6,652,740,747.07/91,475.75
  6. Step 6: Final answer
    x = 72,726.82

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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.