Home / 97,147.74-134,049.03-54,705.18

Finding the Fourth Proportional to 97,147.74, 134,049.03 and 54,705.18

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Solution

The fourth proportional to 97,147.74, 134,049.03 and 54,705.18 is: 75,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,147.74 : 134,049.03 = 54,705.18 : x
  2. Step 2: Convert to fraction form
    97,147.74/134,049.03 = 54,705.18/x
  3. Step 3: Cross multiply
    97,147.74x = 134,049.03 × 54,705.18
  4. Step 4: Simplify right side
    97,147.74x = 7,333,176,314.98
  5. Step 5: Solve for x
    x = 7,333,176,314.98/97,147.74
  6. Step 6: Final answer
    x = 75,484.79

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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.