Home / 97,645.42-134,744.30-54,617.45

Finding the Fourth Proportional to 97,645.42, 134,744.30 and 54,617.45

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Solution

The fourth proportional to 97,645.42, 134,744.30 and 54,617.45 is: 75,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,645.42 : 134,744.30 = 54,617.45 : x
  2. Step 2: Convert to fraction form
    97,645.42/134,744.30 = 54,617.45/x
  3. Step 3: Cross multiply
    97,645.42x = 134,744.30 × 54,617.45
  4. Step 4: Simplify right side
    97,645.42x = 7,359,389,794.95
  5. Step 5: Solve for x
    x = 7,359,389,794.95/97,645.42
  6. Step 6: Final answer
    x = 75,368.51

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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.