Home / 115,864.20-173,799.32-36,978.32

Finding the Fourth Proportional to 115,864.20, 173,799.32 and 36,978.32

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Solution

The fourth proportional to 115,864.20, 173,799.32 and 36,978.32 is: 55,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864.20 : 173,799.32 = 36,978.32 : x
  2. Step 2: Convert to fraction form
    115,864.20/173,799.32 = 36,978.32/x
  3. Step 3: Cross multiply
    115,864.20x = 173,799.32 × 36,978.32
  4. Step 4: Simplify right side
    115,864.20x = 6,426,806,870.74
  5. Step 5: Solve for x
    x = 6,426,806,870.74/115,864.20
  6. Step 6: Final answer
    x = 55,468.44

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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.