Home / 125,034.18-172,547.46-68,449.20

Finding the Fourth Proportional to 125,034.18, 172,547.46 and 68,449.20

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Solution

The fourth proportional to 125,034.18, 172,547.46 and 68,449.20 is: 94,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,034.18 : 172,547.46 = 68,449.20 : x
  2. Step 2: Convert to fraction form
    125,034.18/172,547.46 = 68,449.20/x
  3. Step 3: Cross multiply
    125,034.18x = 172,547.46 × 68,449.20
  4. Step 4: Simplify right side
    125,034.18x = 11,810,735,599.03
  5. Step 5: Solve for x
    x = 11,810,735,599.03/125,034.18
  6. Step 6: Final answer
    x = 94,460.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.