Home / 86,921.46-119,941.70-48,675.69

Finding the Fourth Proportional to 86,921.46, 119,941.70 and 48,675.69

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Solution

The fourth proportional to 86,921.46, 119,941.70 and 48,675.69 is: 67,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921.46 : 119,941.70 = 48,675.69 : x
  2. Step 2: Convert to fraction form
    86,921.46/119,941.70 = 48,675.69/x
  3. Step 3: Cross multiply
    86,921.46x = 119,941.70 × 48,675.69
  4. Step 4: Simplify right side
    86,921.46x = 5,838,244,763.89
  5. Step 5: Solve for x
    x = 5,838,244,763.89/86,921.46
  6. Step 6: Final answer
    x = 67,166.90

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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.