Home / 86,636.50-119,558.40-48,913.18

Finding the Fourth Proportional to 86,636.50, 119,558.40 and 48,913.18

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Solution

The fourth proportional to 86,636.50, 119,558.40 and 48,913.18 is: 67,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.50 : 119,558.40 = 48,913.18 : x
  2. Step 2: Convert to fraction form
    86,636.50/119,558.40 = 48,913.18/x
  3. Step 3: Cross multiply
    86,636.50x = 119,558.40 × 48,913.18
  4. Step 4: Simplify right side
    86,636.50x = 5,847,981,539.71
  5. Step 5: Solve for x
    x = 5,847,981,539.71/86,636.50
  6. Step 6: Final answer
    x = 67,500.21

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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.