Home / 86,672.20-119,522.34-52,685.32

Finding the Fourth Proportional to 86,672.20, 119,522.34 and 52,685.32

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Solution

The fourth proportional to 86,672.20, 119,522.34 and 52,685.32 is: 72,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672.20 : 119,522.34 = 52,685.32 : x
  2. Step 2: Convert to fraction form
    86,672.20/119,522.34 = 52,685.32/x
  3. Step 3: Cross multiply
    86,672.20x = 119,522.34 × 52,685.32
  4. Step 4: Simplify right side
    86,672.20x = 6,297,072,730.05
  5. Step 5: Solve for x
    x = 6,297,072,730.05/86,672.20
  6. Step 6: Final answer
    x = 72,653.89

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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.