Home / 97,719.92-134,856.80-57,433.10

Finding the Fourth Proportional to 97,719.92, 134,856.80 and 57,433.10

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Solution

The fourth proportional to 97,719.92, 134,856.80 and 57,433.10 is: 79,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.92 : 134,856.80 = 57,433.10 : x
  2. Step 2: Convert to fraction form
    97,719.92/134,856.80 = 57,433.10/x
  3. Step 3: Cross multiply
    97,719.92x = 134,856.80 × 57,433.10
  4. Step 4: Simplify right side
    97,719.92x = 7,745,244,080.08
  5. Step 5: Solve for x
    x = 7,745,244,080.08/97,719.92
  6. Step 6: Final answer
    x = 79,259.62

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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.