Home / 86,423.52-119,290.80-50,134.12

Finding the Fourth Proportional to 86,423.52, 119,290.80 and 50,134.12

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Solution

The fourth proportional to 86,423.52, 119,290.80 and 50,134.12 is: 69,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423.52 : 119,290.80 = 50,134.12 : x
  2. Step 2: Convert to fraction form
    86,423.52/119,290.80 = 50,134.12/x
  3. Step 3: Cross multiply
    86,423.52x = 119,290.80 × 50,134.12
  4. Step 4: Simplify right side
    86,423.52x = 5,980,539,282.10
  5. Step 5: Solve for x
    x = 5,980,539,282.10/86,423.52
  6. Step 6: Final answer
    x = 69,200.37

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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.