Home / 86,711.31-119,651.99-48,985.56

Finding the Fourth Proportional to 86,711.31, 119,651.99 and 48,985.56

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Solution

The fourth proportional to 86,711.31, 119,651.99 and 48,985.56 is: 67,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,711.31 : 119,651.99 = 48,985.56 : x
  2. Step 2: Convert to fraction form
    86,711.31/119,651.99 = 48,985.56/x
  3. Step 3: Cross multiply
    86,711.31x = 119,651.99 × 48,985.56
  4. Step 4: Simplify right side
    86,711.31x = 5,861,219,490.34
  5. Step 5: Solve for x
    x = 5,861,219,490.34/86,711.31
  6. Step 6: Final answer
    x = 67,594.64

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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.