Home / 104,061.41-143,605.11-56,314.75

Finding the Fourth Proportional to 104,061.41, 143,605.11 and 56,314.75

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Solution

The fourth proportional to 104,061.41, 143,605.11 and 56,314.75 is: 77,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,061.41 : 143,605.11 = 56,314.75 : x
  2. Step 2: Convert to fraction form
    104,061.41/143,605.11 = 56,314.75/x
  3. Step 3: Cross multiply
    104,061.41x = 143,605.11 × 56,314.75
  4. Step 4: Simplify right side
    104,061.41x = 8,087,085,868.37
  5. Step 5: Solve for x
    x = 8,087,085,868.37/104,061.41
  6. Step 6: Final answer
    x = 77,714.55

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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.