Home / 86,454.28-119,316.08-50,674.36

Finding the Fourth Proportional to 86,454.28, 119,316.08 and 50,674.36

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Solution

The fourth proportional to 86,454.28, 119,316.08 and 50,674.36 is: 69,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454.28 : 119,316.08 = 50,674.36 : x
  2. Step 2: Convert to fraction form
    86,454.28/119,316.08 = 50,674.36/x
  3. Step 3: Cross multiply
    86,454.28x = 119,316.08 × 50,674.36
  4. Step 4: Simplify right side
    86,454.28x = 6,046,265,991.71
  5. Step 5: Solve for x
    x = 6,046,265,991.71/86,454.28
  6. Step 6: Final answer
    x = 69,935.99

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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.