Home / 115,250.04-172,780.02-36,315

Finding the Fourth Proportional to 115,250.04, 172,780.02 and 36,315

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Solution

The fourth proportional to 115,250.04, 172,780.02 and 36,315 is: 54,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250.04 : 172,780.02 = 36,315 : x
  2. Step 2: Convert to fraction form
    115,250.04/172,780.02 = 36,315/x
  3. Step 3: Cross multiply
    115,250.04x = 172,780.02 × 36,315
  4. Step 4: Simplify right side
    115,250.04x = 6,274,506,426.30
  5. Step 5: Solve for x
    x = 6,274,506,426.30/115,250.04
  6. Step 6: Final answer
    x = 54,442.55

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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.