Home / 62,986.48-86,919.56-34,305.49

Finding the Fourth Proportional to 62,986.48, 86,919.56 and 34,305.49

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Solution

The fourth proportional to 62,986.48, 86,919.56 and 34,305.49 is: 47,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986.48 : 86,919.56 = 34,305.49 : x
  2. Step 2: Convert to fraction form
    62,986.48/86,919.56 = 34,305.49/x
  3. Step 3: Cross multiply
    62,986.48x = 86,919.56 × 34,305.49
  4. Step 4: Simplify right side
    62,986.48x = 2,981,817,490.26
  5. Step 5: Solve for x
    x = 2,981,817,490.26/62,986.48
  6. Step 6: Final answer
    x = 47,340.60

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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.