Home / 75,691.32-104,446.06-43,870.20

Finding the Fourth Proportional to 75,691.32, 104,446.06 and 43,870.20

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Solution

The fourth proportional to 75,691.32, 104,446.06 and 43,870.20 is: 60,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,691.32 : 104,446.06 = 43,870.20 : x
  2. Step 2: Convert to fraction form
    75,691.32/104,446.06 = 43,870.20/x
  3. Step 3: Cross multiply
    75,691.32x = 104,446.06 × 43,870.20
  4. Step 4: Simplify right side
    75,691.32x = 4,582,069,541.41
  5. Step 5: Solve for x
    x = 4,582,069,541.41/75,691.32
  6. Step 6: Final answer
    x = 60,536.26

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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.