Home / 62,638.92-86,447.16-34,350.12

Finding the Fourth Proportional to 62,638.92, 86,447.16 and 34,350.12

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Solution

The fourth proportional to 62,638.92, 86,447.16 and 34,350.12 is: 47,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.92 : 86,447.16 = 34,350.12 : x
  2. Step 2: Convert to fraction form
    62,638.92/86,447.16 = 34,350.12/x
  3. Step 3: Cross multiply
    62,638.92x = 86,447.16 × 34,350.12
  4. Step 4: Simplify right side
    62,638.92x = 2,969,470,319.66
  5. Step 5: Solve for x
    x = 2,969,470,319.66/62,638.92
  6. Step 6: Final answer
    x = 47,406.15

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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.