Home / 86,801.68-119,795.18-52,812.60

Finding the Fourth Proportional to 86,801.68, 119,795.18 and 52,812.60

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Solution

The fourth proportional to 86,801.68, 119,795.18 and 52,812.60 is: 72,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,801.68 : 119,795.18 = 52,812.60 : x
  2. Step 2: Convert to fraction form
    86,801.68/119,795.18 = 52,812.60/x
  3. Step 3: Cross multiply
    86,801.68x = 119,795.18 × 52,812.60
  4. Step 4: Simplify right side
    86,801.68x = 6,326,694,923.27
  5. Step 5: Solve for x
    x = 6,326,694,923.27/86,801.68
  6. Step 6: Final answer
    x = 72,886.78

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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.