Home / 86,499.20-119,369.76-50,710.40

Finding the Fourth Proportional to 86,499.20, 119,369.76 and 50,710.40

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Solution

The fourth proportional to 86,499.20, 119,369.76 and 50,710.40 is: 69,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.20 : 119,369.76 = 50,710.40 : x
  2. Step 2: Convert to fraction form
    86,499.20/119,369.76 = 50,710.40/x
  3. Step 3: Cross multiply
    86,499.20x = 119,369.76 × 50,710.40
  4. Step 4: Simplify right side
    86,499.20x = 6,053,288,277.50
  5. Step 5: Solve for x
    x = 6,053,288,277.50/86,499.20
  6. Step 6: Final answer
    x = 69,980.86

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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.