Home / 91,567.16-126,348.04-51,282.60

Finding the Fourth Proportional to 91,567.16, 126,348.04 and 51,282.60

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Solution

The fourth proportional to 91,567.16, 126,348.04 and 51,282.60 is: 70,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567.16 : 126,348.04 = 51,282.60 : x
  2. Step 2: Convert to fraction form
    91,567.16/126,348.04 = 51,282.60/x
  3. Step 3: Cross multiply
    91,567.16x = 126,348.04 × 51,282.60
  4. Step 4: Simplify right side
    91,567.16x = 6,479,455,996.10
  5. Step 5: Solve for x
    x = 6,479,455,996.10/91,567.16
  6. Step 6: Final answer
    x = 70,761.79

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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.