Home / 97,670.13-134,778.41-54,642.27

Finding the Fourth Proportional to 97,670.13, 134,778.41 and 54,642.27

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Solution

The fourth proportional to 97,670.13, 134,778.41 and 54,642.27 is: 75,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,670.13 : 134,778.41 = 54,642.27 : x
  2. Step 2: Convert to fraction form
    97,670.13/134,778.41 = 54,642.27/x
  3. Step 3: Cross multiply
    97,670.13x = 134,778.41 × 54,642.27
  4. Step 4: Simplify right side
    97,670.13x = 7,364,597,996.18
  5. Step 5: Solve for x
    x = 7,364,597,996.18/97,670.13
  6. Step 6: Final answer
    x = 75,402.77

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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.