Home / 115,434.74-173,087.30-40,534.04

Finding the Fourth Proportional to 115,434.74, 173,087.30 and 40,534.04

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Solution

The fourth proportional to 115,434.74, 173,087.30 and 40,534.04 is: 60,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,434.74 : 173,087.30 = 40,534.04 : x
  2. Step 2: Convert to fraction form
    115,434.74/173,087.30 = 40,534.04/x
  3. Step 3: Cross multiply
    115,434.74x = 173,087.30 × 40,534.04
  4. Step 4: Simplify right side
    115,434.74x = 7,015,927,541.69
  5. Step 5: Solve for x
    x = 7,015,927,541.69/115,434.74
  6. Step 6: Final answer
    x = 60,778.30

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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.