Home / 86,920.90-119,940.92-48,675.13

Finding the Fourth Proportional to 86,920.90, 119,940.92 and 48,675.13

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Solution

The fourth proportional to 86,920.90, 119,940.92 and 48,675.13 is: 67,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920.90 : 119,940.92 = 48,675.13 : x
  2. Step 2: Convert to fraction form
    86,920.90/119,940.92 = 48,675.13/x
  3. Step 3: Cross multiply
    86,920.90x = 119,940.92 × 48,675.13
  4. Step 4: Simplify right side
    86,920.90x = 5,838,139,512.62
  5. Step 5: Solve for x
    x = 5,838,139,512.62/86,920.90
  6. Step 6: Final answer
    x = 67,166.12

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1.5x scale

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.