Home / 86,801.41-119,794.88-52,812.31

Finding the Fourth Proportional to 86,801.41, 119,794.88 and 52,812.31

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Solution

The fourth proportional to 86,801.41, 119,794.88 and 52,812.31 is: 72,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,801.41 : 119,794.88 = 52,812.31 : x
  2. Step 2: Convert to fraction form
    86,801.41/119,794.88 = 52,812.31/x
  3. Step 3: Cross multiply
    86,801.41x = 119,794.88 × 52,812.31
  4. Step 4: Simplify right side
    86,801.41x = 6,326,644,338.97
  5. Step 5: Solve for x
    x = 6,326,644,338.97/86,801.41
  6. Step 6: Final answer
    x = 72,886.42

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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.