Home / 115,902.90-173,854.35-49,345.20

Finding the Fourth Proportional to 115,902.90, 173,854.35 and 49,345.20

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Solution

The fourth proportional to 115,902.90, 173,854.35 and 49,345.20 is: 74,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,902.90 : 173,854.35 = 49,345.20 : x
  2. Step 2: Convert to fraction form
    115,902.90/173,854.35 = 49,345.20/x
  3. Step 3: Cross multiply
    115,902.90x = 173,854.35 × 49,345.20
  4. Step 4: Simplify right side
    115,902.90x = 8,578,877,671.62
  5. Step 5: Solve for x
    x = 8,578,877,671.62/115,902.90
  6. Step 6: Final answer
    x = 74,017.80

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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.