Home / 114,669.78-158,243.68-62,987.89

Finding the Fourth Proportional to 114,669.78, 158,243.68 and 62,987.89

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Solution

The fourth proportional to 114,669.78, 158,243.68 and 62,987.89 is: 86,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,669.78 : 158,243.68 = 62,987.89 : x
  2. Step 2: Convert to fraction form
    114,669.78/158,243.68 = 62,987.89/x
  3. Step 3: Cross multiply
    114,669.78x = 158,243.68 × 62,987.89
  4. Step 4: Simplify right side
    114,669.78x = 9,967,435,904.64
  5. Step 5: Solve for x
    x = 9,967,435,904.64/114,669.78
  6. Step 6: Final answer
    x = 86,922.95

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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.