Home / 86,681.46-119,636.19-50,387.88

Finding the Fourth Proportional to 86,681.46, 119,636.19 and 50,387.88

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Solution

The fourth proportional to 86,681.46, 119,636.19 and 50,387.88 is: 69,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,681.46 : 119,636.19 = 50,387.88 : x
  2. Step 2: Convert to fraction form
    86,681.46/119,636.19 = 50,387.88/x
  3. Step 3: Cross multiply
    86,681.46x = 119,636.19 × 50,387.88
  4. Step 4: Simplify right side
    86,681.46x = 6,028,213,985.38
  5. Step 5: Solve for x
    x = 6,028,213,985.38/86,681.46
  6. Step 6: Final answer
    x = 69,544.44

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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.