Home / 62,639.92-86,448.54-34,351.12

Finding the Fourth Proportional to 62,639.92, 86,448.54 and 34,351.12

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Solution

The fourth proportional to 62,639.92, 86,448.54 and 34,351.12 is: 47,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,639.92 : 86,448.54 = 34,351.12 : x
  2. Step 2: Convert to fraction form
    62,639.92/86,448.54 = 34,351.12/x
  3. Step 3: Cross multiply
    62,639.92x = 86,448.54 × 34,351.12
  4. Step 4: Simplify right side
    62,639.92x = 2,969,604,171.36
  5. Step 5: Solve for x
    x = 2,969,604,171.36/62,639.92
  6. Step 6: Final answer
    x = 47,407.53

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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.