Home / 115,871.20-173,809.84-36,985.32

Finding the Fourth Proportional to 115,871.20, 173,809.84 and 36,985.32

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Solution

The fourth proportional to 115,871.20, 173,809.84 and 36,985.32 is: 55,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,871.20 : 173,809.84 = 36,985.32 : x
  2. Step 2: Convert to fraction form
    115,871.20/173,809.84 = 36,985.32/x
  3. Step 3: Cross multiply
    115,871.20x = 173,809.84 × 36,985.32
  4. Step 4: Simplify right side
    115,871.20x = 6,428,412,551.55
  5. Step 5: Solve for x
    x = 6,428,412,551.55/115,871.20
  6. Step 6: Final answer
    x = 55,478.95

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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.