Home / 113,844.78-157,105.08-62,860.68

Finding the Fourth Proportional to 113,844.78, 157,105.08 and 62,860.68

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Solution

The fourth proportional to 113,844.78, 157,105.08 and 62,860.68 is: 86,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,844.78 : 157,105.08 = 62,860.68 : x
  2. Step 2: Convert to fraction form
    113,844.78/157,105.08 = 62,860.68/x
  3. Step 3: Cross multiply
    113,844.78x = 157,105.08 × 62,860.68
  4. Step 4: Simplify right side
    113,844.78x = 9,875,732,160.25
  5. Step 5: Solve for x
    x = 9,875,732,160.25/113,844.78
  6. Step 6: Final answer
    x = 86,747.34

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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.