Home / 113,612.30-156,794-62,634.14

Finding the Fourth Proportional to 113,612.30, 156,794 and 62,634.14

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Solution

The fourth proportional to 113,612.30, 156,794 and 62,634.14 is: 86,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,612.30 : 156,794 = 62,634.14 : x
  2. Step 2: Convert to fraction form
    113,612.30/156,794 = 62,634.14/x
  3. Step 3: Cross multiply
    113,612.30x = 156,794 × 62,634.14
  4. Step 4: Simplify right side
    113,612.30x = 9,820,657,347.16
  5. Step 5: Solve for x
    x = 9,820,657,347.16/113,612.30
  6. Step 6: Final answer
    x = 86,440.09

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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.