Home / 86,731.30-119,682.55-52,735.07

Finding the Fourth Proportional to 86,731.30, 119,682.55 and 52,735.07

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Solution

The fourth proportional to 86,731.30, 119,682.55 and 52,735.07 is: 72,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,731.30 : 119,682.55 = 52,735.07 : x
  2. Step 2: Convert to fraction form
    86,731.30/119,682.55 = 52,735.07/x
  3. Step 3: Cross multiply
    86,731.30x = 119,682.55 × 52,735.07
  4. Step 4: Simplify right side
    86,731.30x = 6,311,467,388.35
  5. Step 5: Solve for x
    x = 6,311,467,388.35/86,731.30
  6. Step 6: Final answer
    x = 72,770.35

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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.