Home / 97,764.10-134,975.40-75,057.88

Finding the Fourth Proportional to 97,764.10, 134,975.40 and 75,057.88

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Solution

The fourth proportional to 97,764.10, 134,975.40 and 75,057.88 is: 103,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,764.10 : 134,975.40 = 75,057.88 : x
  2. Step 2: Convert to fraction form
    97,764.10/134,975.40 = 75,057.88/x
  3. Step 3: Cross multiply
    97,764.10x = 134,975.40 × 75,057.88
  4. Step 4: Simplify right side
    97,764.10x = 10,130,967,376.15
  5. Step 5: Solve for x
    x = 10,130,967,376.15/97,764.10
  6. Step 6: Final answer
    x = 103,626.66

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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.