Home / 86,490.42-119,357.49-50,681.46

Finding the Fourth Proportional to 86,490.42, 119,357.49 and 50,681.46

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Solution

The fourth proportional to 86,490.42, 119,357.49 and 50,681.46 is: 69,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490.42 : 119,357.49 = 50,681.46 : x
  2. Step 2: Convert to fraction form
    86,490.42/119,357.49 = 50,681.46/x
  3. Step 3: Cross multiply
    86,490.42x = 119,357.49 × 50,681.46
  4. Step 4: Simplify right side
    86,490.42x = 6,049,211,855.14
  5. Step 5: Solve for x
    x = 6,049,211,855.14/86,490.42
  6. Step 6: Final answer
    x = 69,940.83

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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.