Home / 62,503.40-86,173.26-39,834.12

Finding the Fourth Proportional to 62,503.40, 86,173.26 and 39,834.12

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Solution

The fourth proportional to 62,503.40, 86,173.26 and 39,834.12 is: 54,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,503.40 : 86,173.26 = 39,834.12 : x
  2. Step 2: Convert to fraction form
    62,503.40/86,173.26 = 39,834.12/x
  3. Step 3: Cross multiply
    62,503.40x = 86,173.26 × 39,834.12
  4. Step 4: Simplify right side
    62,503.40x = 3,432,635,979.63
  5. Step 5: Solve for x
    x = 3,432,635,979.63/62,503.40
  6. Step 6: Final answer
    x = 54,919.19

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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.