Home / 63,028.19-86,977.80-34,348.12

Finding the Fourth Proportional to 63,028.19, 86,977.80 and 34,348.12

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Solution

The fourth proportional to 63,028.19, 86,977.80 and 34,348.12 is: 47,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,028.19 : 86,977.80 = 34,348.12 : x
  2. Step 2: Convert to fraction form
    63,028.19/86,977.80 = 34,348.12/x
  3. Step 3: Cross multiply
    63,028.19x = 86,977.80 × 34,348.12
  4. Step 4: Simplify right side
    63,028.19x = 2,987,523,694.29
  5. Step 5: Solve for x
    x = 2,987,523,694.29/63,028.19
  6. Step 6: Final answer
    x = 47,399.80

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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.