Home / 86,849.28-119,836.72-53,326.08

Finding the Fourth Proportional to 86,849.28, 119,836.72 and 53,326.08

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Solution

The fourth proportional to 86,849.28, 119,836.72 and 53,326.08 is: 73,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,849.28 : 119,836.72 = 53,326.08 : x
  2. Step 2: Convert to fraction form
    86,849.28/119,836.72 = 53,326.08/x
  3. Step 3: Cross multiply
    86,849.28x = 119,836.72 × 53,326.08
  4. Step 4: Simplify right side
    86,849.28x = 6,390,422,517.66
  5. Step 5: Solve for x
    x = 6,390,422,517.66/86,849.28
  6. Step 6: Final answer
    x = 73,580.60

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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.