Home / 113,108.38-156,089.56-62,807.38

Finding the Fourth Proportional to 113,108.38, 156,089.56 and 62,807.38

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Solution

The fourth proportional to 113,108.38, 156,089.56 and 62,807.38 is: 86,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,108.38 : 156,089.56 = 62,807.38 : x
  2. Step 2: Convert to fraction form
    113,108.38/156,089.56 = 62,807.38/x
  3. Step 3: Cross multiply
    113,108.38x = 156,089.56 × 62,807.38
  4. Step 4: Simplify right side
    113,108.38x = 9,803,576,308.95
  5. Step 5: Solve for x
    x = 9,803,576,308.95/113,108.38
  6. Step 6: Final answer
    x = 86,674.18

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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.