Home / 79,549.72-109,754.32-52,318.04

Finding the Fourth Proportional to 79,549.72, 109,754.32 and 52,318.04

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Solution

The fourth proportional to 79,549.72, 109,754.32 and 52,318.04 is: 72,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549.72 : 109,754.32 = 52,318.04 : x
  2. Step 2: Convert to fraction form
    79,549.72/109,754.32 = 52,318.04/x
  3. Step 3: Cross multiply
    79,549.72x = 109,754.32 × 52,318.04
  4. Step 4: Simplify right side
    79,549.72x = 5,742,130,903.93
  5. Step 5: Solve for x
    x = 5,742,130,903.93/79,549.72
  6. Step 6: Final answer
    x = 72,182.92

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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.