Home / 103,312.26-142,585.92-58,008.96

Finding the Fourth Proportional to 103,312.26, 142,585.92 and 58,008.96

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Solution

The fourth proportional to 103,312.26, 142,585.92 and 58,008.96 is: 80,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312.26 : 142,585.92 = 58,008.96 : x
  2. Step 2: Convert to fraction form
    103,312.26/142,585.92 = 58,008.96/x
  3. Step 3: Cross multiply
    103,312.26x = 142,585.92 × 58,008.96
  4. Step 4: Simplify right side
    103,312.26x = 8,271,260,929.84
  5. Step 5: Solve for x
    x = 8,271,260,929.84/103,312.26
  6. Step 6: Final answer
    x = 80,060.79

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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.