Home / 62,514.40-86,246.64-39,848.20

Finding the Fourth Proportional to 62,514.40, 86,246.64 and 39,848.20

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Solution

The fourth proportional to 62,514.40, 86,246.64 and 39,848.20 is: 54,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,514.40 : 86,246.64 = 39,848.20 : x
  2. Step 2: Convert to fraction form
    62,514.40/86,246.64 = 39,848.20/x
  3. Step 3: Cross multiply
    62,514.40x = 86,246.64 × 39,848.20
  4. Step 4: Simplify right side
    62,514.40x = 3,436,773,360.05
  5. Step 5: Solve for x
    x = 3,436,773,360.05/62,514.40
  6. Step 6: Final answer
    x = 54,975.71

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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.