Home / 113,821.16-157,082.10-63,527.72

Finding the Fourth Proportional to 113,821.16, 157,082.10 and 63,527.72

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Solution

The fourth proportional to 113,821.16, 157,082.10 and 63,527.72 is: 87,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.16 : 157,082.10 = 63,527.72 : x
  2. Step 2: Convert to fraction form
    113,821.16/157,082.10 = 63,527.72/x
  3. Step 3: Cross multiply
    113,821.16x = 157,082.10 × 63,527.72
  4. Step 4: Simplify right side
    113,821.16x = 9,979,067,665.81
  5. Step 5: Solve for x
    x = 9,979,067,665.81/113,821.16
  6. Step 6: Final answer
    x = 87,673.22

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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.