Home / 82,429.12-113,752.08-44,703.28

Finding the Fourth Proportional to 82,429.12, 113,752.08 and 44,703.28

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Solution

The fourth proportional to 82,429.12, 113,752.08 and 44,703.28 is: 61,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,429.12 : 113,752.08 = 44,703.28 : x
  2. Step 2: Convert to fraction form
    82,429.12/113,752.08 = 44,703.28/x
  3. Step 3: Cross multiply
    82,429.12x = 113,752.08 × 44,703.28
  4. Step 4: Simplify right side
    82,429.12x = 5,085,091,082.82
  5. Step 5: Solve for x
    x = 5,085,091,082.82/82,429.12
  6. Step 6: Final answer
    x = 61,690.47

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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.