Home / 86,073.36-118,773.66-47,830.48

Finding the Fourth Proportional to 86,073.36, 118,773.66 and 47,830.48

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Solution

The fourth proportional to 86,073.36, 118,773.66 and 47,830.48 is: 66,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.36 : 118,773.66 = 47,830.48 : x
  2. Step 2: Convert to fraction form
    86,073.36/118,773.66 = 47,830.48/x
  3. Step 3: Cross multiply
    86,073.36x = 118,773.66 × 47,830.48
  4. Step 4: Simplify right side
    86,073.36x = 5,681,000,575.29
  5. Step 5: Solve for x
    x = 5,681,000,575.29/86,073.36
  6. Step 6: Final answer
    x = 66,001.85

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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.