Home / 62,638.12-86,439.96-34,343.76

Finding the Fourth Proportional to 62,638.12, 86,439.96 and 34,343.76

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Solution

The fourth proportional to 62,638.12, 86,439.96 and 34,343.76 is: 47,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.12 : 86,439.96 = 34,343.76 : x
  2. Step 2: Convert to fraction form
    62,638.12/86,439.96 = 34,343.76/x
  3. Step 3: Cross multiply
    62,638.12x = 86,439.96 × 34,343.76
  4. Step 4: Simplify right side
    62,638.12x = 2,968,673,240.65
  5. Step 5: Solve for x
    x = 2,968,673,240.65/62,638.12
  6. Step 6: Final answer
    x = 47,394.03

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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.