Home / 86,890.02-119,908.50-48,651.18

Finding the Fourth Proportional to 86,890.02, 119,908.50 and 48,651.18

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Solution

The fourth proportional to 86,890.02, 119,908.50 and 48,651.18 is: 67,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890.02 : 119,908.50 = 48,651.18 : x
  2. Step 2: Convert to fraction form
    86,890.02/119,908.50 = 48,651.18/x
  3. Step 3: Cross multiply
    86,890.02x = 119,908.50 × 48,651.18
  4. Step 4: Simplify right side
    86,890.02x = 5,833,690,017.03
  5. Step 5: Solve for x
    x = 5,833,690,017.03/86,890.02
  6. Step 6: Final answer
    x = 67,138.78

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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.