Home / 104,082.96-143,633.28-56,335.20

Finding the Fourth Proportional to 104,082.96, 143,633.28 and 56,335.20

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Solution

The fourth proportional to 104,082.96, 143,633.28 and 56,335.20 is: 77,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,082.96 : 143,633.28 = 56,335.20 : x
  2. Step 2: Convert to fraction form
    104,082.96/143,633.28 = 56,335.20/x
  3. Step 3: Cross multiply
    104,082.96x = 143,633.28 × 56,335.20
  4. Step 4: Simplify right side
    104,082.96x = 8,091,609,555.46
  5. Step 5: Solve for x
    x = 8,091,609,555.46/104,082.96
  6. Step 6: Final answer
    x = 77,741.92

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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.