Home / 104,062.08-143,605.92-56,315.88

Finding the Fourth Proportional to 104,062.08, 143,605.92 and 56,315.88

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Solution

The fourth proportional to 104,062.08, 143,605.92 and 56,315.88 is: 77,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.08 : 143,605.92 = 56,315.88 : x
  2. Step 2: Convert to fraction form
    104,062.08/143,605.92 = 56,315.88/x
  3. Step 3: Cross multiply
    104,062.08x = 143,605.92 × 56,315.88
  4. Step 4: Simplify right side
    104,062.08x = 8,087,293,758.01
  5. Step 5: Solve for x
    x = 8,087,293,758.01/104,062.08
  6. Step 6: Final answer
    x = 77,716.05

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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.