Home / 113,678.51-156,874.25-62,695.94

Finding the Fourth Proportional to 113,678.51, 156,874.25 and 62,695.94

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Solution

The fourth proportional to 113,678.51, 156,874.25 and 62,695.94 is: 86,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,678.51 : 156,874.25 = 62,695.94 : x
  2. Step 2: Convert to fraction form
    113,678.51/156,874.25 = 62,695.94/x
  3. Step 3: Cross multiply
    113,678.51x = 156,874.25 × 62,695.94
  4. Step 4: Simplify right side
    113,678.51x = 9,835,377,467.69
  5. Step 5: Solve for x
    x = 9,835,377,467.69/113,678.51
  6. Step 6: Final answer
    x = 86,519.24

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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.