Home / 45,585.23-68,153.06-38,642.72

Finding the Fourth Proportional to 45,585.23, 68,153.06 and 38,642.72

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Solution

The fourth proportional to 45,585.23, 68,153.06 and 38,642.72 is: 57,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.23 : 68,153.06 = 38,642.72 : x
  2. Step 2: Convert to fraction form
    45,585.23/68,153.06 = 38,642.72/x
  3. Step 3: Cross multiply
    45,585.23x = 68,153.06 × 38,642.72
  4. Step 4: Simplify right side
    45,585.23x = 2,633,619,080.74
  5. Step 5: Solve for x
    x = 2,633,619,080.74/45,585.23
  6. Step 6: Final answer
    x = 57,773.52

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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.