Home / 103,956.84-143,461.92-58,637.16

Finding the Fourth Proportional to 103,956.84, 143,461.92 and 58,637.16

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Solution

The fourth proportional to 103,956.84, 143,461.92 and 58,637.16 is: 80,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,956.84 : 143,461.92 = 58,637.16 : x
  2. Step 2: Convert to fraction form
    103,956.84/143,461.92 = 58,637.16/x
  3. Step 3: Cross multiply
    103,956.84x = 143,461.92 × 58,637.16
  4. Step 4: Simplify right side
    103,956.84x = 8,412,199,556.95
  5. Step 5: Solve for x
    x = 8,412,199,556.95/103,956.84
  6. Step 6: Final answer
    x = 80,920.12

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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.