Home / 88,219.80-121,744.08-47,933.64

Finding the Fourth Proportional to 88,219.80, 121,744.08 and 47,933.64

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Solution

The fourth proportional to 88,219.80, 121,744.08 and 47,933.64 is: 66,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,219.80 : 121,744.08 = 47,933.64 : x
  2. Step 2: Convert to fraction form
    88,219.80/121,744.08 = 47,933.64/x
  3. Step 3: Cross multiply
    88,219.80x = 121,744.08 × 47,933.64
  4. Step 4: Simplify right side
    88,219.80x = 5,835,636,902.85
  5. Step 5: Solve for x
    x = 5,835,636,902.85/88,219.80
  6. Step 6: Final answer
    x = 66,148.83

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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.