Home / 115,864.70-173,824.80-48,359.20

Finding the Fourth Proportional to 115,864.70, 173,824.80 and 48,359.20

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Solution

The fourth proportional to 115,864.70, 173,824.80 and 48,359.20 is: 72,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864.70 : 173,824.80 = 48,359.20 : x
  2. Step 2: Convert to fraction form
    115,864.70/173,824.80 = 48,359.20/x
  3. Step 3: Cross multiply
    115,864.70x = 173,824.80 × 48,359.20
  4. Step 4: Simplify right side
    115,864.70x = 8,406,028,268.16
  5. Step 5: Solve for x
    x = 8,406,028,268.16/115,864.70
  6. Step 6: Final answer
    x = 72,550.38

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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.