Home / 68,881.39-95,048.98-38,670.05

Finding the Fourth Proportional to 68,881.39, 95,048.98 and 38,670.05

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Solution

The fourth proportional to 68,881.39, 95,048.98 and 38,670.05 is: 53,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,881.39 : 95,048.98 = 38,670.05 : x
  2. Step 2: Convert to fraction form
    68,881.39/95,048.98 = 38,670.05/x
  3. Step 3: Cross multiply
    68,881.39x = 95,048.98 × 38,670.05
  4. Step 4: Simplify right side
    68,881.39x = 3,675,548,950.00
  5. Step 5: Solve for x
    x = 3,675,548,950.00/68,881.39
  6. Step 6: Final answer
    x = 53,360.55

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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.