Home / 62,672.67-86,490.09-34,380.18

Finding the Fourth Proportional to 62,672.67, 86,490.09 and 34,380.18

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Solution

The fourth proportional to 62,672.67, 86,490.09 and 34,380.18 is: 47,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,672.67 : 86,490.09 = 34,380.18 : x
  2. Step 2: Convert to fraction form
    62,672.67/86,490.09 = 34,380.18/x
  3. Step 3: Cross multiply
    62,672.67x = 86,490.09 × 34,380.18
  4. Step 4: Simplify right side
    62,672.67x = 2,973,544,862.42
  5. Step 5: Solve for x
    x = 2,973,544,862.42/62,672.67
  6. Step 6: Final answer
    x = 47,445.64

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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.