Home / 115,387.90-173,099.67-48,828.40

Finding the Fourth Proportional to 115,387.90, 173,099.67 and 48,828.40

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Solution

The fourth proportional to 115,387.90, 173,099.67 and 48,828.40 is: 73,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,387.90 : 173,099.67 = 48,828.40 : x
  2. Step 2: Convert to fraction form
    115,387.90/173,099.67 = 48,828.40/x
  3. Step 3: Cross multiply
    115,387.90x = 173,099.67 × 48,828.40
  4. Step 4: Simplify right side
    115,387.90x = 8,452,179,926.63
  5. Step 5: Solve for x
    x = 8,452,179,926.63/115,387.90
  6. Step 6: Final answer
    x = 73,250.14

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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.