Home / 107,826.60-161,618.40-51,693.60

Finding the Fourth Proportional to 107,826.60, 161,618.40 and 51,693.60

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Solution

The fourth proportional to 107,826.60, 161,618.40 and 51,693.60 is: 77,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,826.60 : 161,618.40 = 51,693.60 : x
  2. Step 2: Convert to fraction form
    107,826.60/161,618.40 = 51,693.60/x
  3. Step 3: Cross multiply
    107,826.60x = 161,618.40 × 51,693.60
  4. Step 4: Simplify right side
    107,826.60x = 8,354,636,922.24
  5. Step 5: Solve for x
    x = 8,354,636,922.24/107,826.60
  6. Step 6: Final answer
    x = 77,482.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.