Home / 103,246.08-142,462.32-60,813.06

Finding the Fourth Proportional to 103,246.08, 142,462.32 and 60,813.06

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Solution

The fourth proportional to 103,246.08, 142,462.32 and 60,813.06 is: 83,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,246.08 : 142,462.32 = 60,813.06 : x
  2. Step 2: Convert to fraction form
    103,246.08/142,462.32 = 60,813.06/x
  3. Step 3: Cross multiply
    103,246.08x = 142,462.32 × 60,813.06
  4. Step 4: Simplify right side
    103,246.08x = 8,663,569,613.90
  5. Step 5: Solve for x
    x = 8,663,569,613.90/103,246.08
  6. Step 6: Final answer
    x = 83,911.85

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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.