Home / 113,576.48-156,742.64-62,589.16

Finding the Fourth Proportional to 113,576.48, 156,742.64 and 62,589.16

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Solution

The fourth proportional to 113,576.48, 156,742.64 and 62,589.16 is: 86,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,576.48 : 156,742.64 = 62,589.16 : x
  2. Step 2: Convert to fraction form
    113,576.48/156,742.64 = 62,589.16/x
  3. Step 3: Cross multiply
    113,576.48x = 156,742.64 × 62,589.16
  4. Step 4: Simplify right side
    113,576.48x = 9,810,390,173.78
  5. Step 5: Solve for x
    x = 9,810,390,173.78/113,576.48
  6. Step 6: Final answer
    x = 86,376.95

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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.