Home / 86,730.96-119,682.10-52,734.76

Finding the Fourth Proportional to 86,730.96, 119,682.10 and 52,734.76

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Solution

The fourth proportional to 86,730.96, 119,682.10 and 52,734.76 is: 72,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,730.96 : 119,682.10 = 52,734.76 : x
  2. Step 2: Convert to fraction form
    86,730.96/119,682.10 = 52,734.76/x
  3. Step 3: Cross multiply
    86,730.96x = 119,682.10 × 52,734.76
  4. Step 4: Simplify right side
    86,730.96x = 6,311,406,819.80
  5. Step 5: Solve for x
    x = 6,311,406,819.80/86,730.96
  6. Step 6: Final answer
    x = 72,769.94

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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.