Home / 78,867.90-108,833.60-44,875.69

Finding the Fourth Proportional to 78,867.90, 108,833.60 and 44,875.69

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Solution

The fourth proportional to 78,867.90, 108,833.60 and 44,875.69 is: 61,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,867.90 : 108,833.60 = 44,875.69 : x
  2. Step 2: Convert to fraction form
    78,867.90/108,833.60 = 44,875.69/x
  3. Step 3: Cross multiply
    78,867.90x = 108,833.60 × 44,875.69
  4. Step 4: Simplify right side
    78,867.90x = 4,883,982,895.18
  5. Step 5: Solve for x
    x = 4,883,982,895.18/78,867.90
  6. Step 6: Final answer
    x = 61,926.12

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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.