Home / 97,150.12-134,069.80-54,710.18

Finding the Fourth Proportional to 97,150.12, 134,069.80 and 54,710.18

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Solution

The fourth proportional to 97,150.12, 134,069.80 and 54,710.18 is: 75,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,150.12 : 134,069.80 = 54,710.18 : x
  2. Step 2: Convert to fraction form
    97,150.12/134,069.80 = 54,710.18/x
  3. Step 3: Cross multiply
    97,150.12x = 134,069.80 × 54,710.18
  4. Step 4: Simplify right side
    97,150.12x = 7,334,982,890.56
  5. Step 5: Solve for x
    x = 7,334,982,890.56/97,150.12
  6. Step 6: Final answer
    x = 75,501.53

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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.