Home / 104,048.80-143,587.85-58,728.70

Finding the Fourth Proportional to 104,048.80, 143,587.85 and 58,728.70

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Solution

The fourth proportional to 104,048.80, 143,587.85 and 58,728.70 is: 81,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.80 : 143,587.85 = 58,728.70 : x
  2. Step 2: Convert to fraction form
    104,048.80/143,587.85 = 58,728.70/x
  3. Step 3: Cross multiply
    104,048.80x = 143,587.85 × 58,728.70
  4. Step 4: Simplify right side
    104,048.80x = 8,432,727,766.30
  5. Step 5: Solve for x
    x = 8,432,727,766.30/104,048.80
  6. Step 6: Final answer
    x = 81,045.89

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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.