Home / 113,103.36-156,082.32-62,802

Finding the Fourth Proportional to 113,103.36, 156,082.32 and 62,802

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Solution

The fourth proportional to 113,103.36, 156,082.32 and 62,802 is: 86,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103.36 : 156,082.32 = 62,802 : x
  2. Step 2: Convert to fraction form
    113,103.36/156,082.32 = 62,802/x
  3. Step 3: Cross multiply
    113,103.36x = 156,082.32 × 62,802
  4. Step 4: Simplify right side
    113,103.36x = 9,802,281,860.64
  5. Step 5: Solve for x
    x = 9,802,281,860.64/113,103.36
  6. Step 6: Final answer
    x = 86,666.58

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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.