Home / 115,425.60-173,122.20-36,547.80

Finding the Fourth Proportional to 115,425.60, 173,122.20 and 36,547.80

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Solution

The fourth proportional to 115,425.60, 173,122.20 and 36,547.80 is: 54,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,425.60 : 173,122.20 = 36,547.80 : x
  2. Step 2: Convert to fraction form
    115,425.60/173,122.20 = 36,547.80/x
  3. Step 3: Cross multiply
    115,425.60x = 173,122.20 × 36,547.80
  4. Step 4: Simplify right side
    115,425.60x = 6,327,235,541.16
  5. Step 5: Solve for x
    x = 6,327,235,541.16/115,425.60
  6. Step 6: Final answer
    x = 54,816.57

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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.