Home / 86,344.10-119,154.75-48,618.62

Finding the Fourth Proportional to 86,344.10, 119,154.75 and 48,618.62

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Solution

The fourth proportional to 86,344.10, 119,154.75 and 48,618.62 is: 67,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.10 : 119,154.75 = 48,618.62 : x
  2. Step 2: Convert to fraction form
    86,344.10/119,154.75 = 48,618.62/x
  3. Step 3: Cross multiply
    86,344.10x = 119,154.75 × 48,618.62
  4. Step 4: Simplify right side
    86,344.10x = 5,793,139,511.45
  5. Step 5: Solve for x
    x = 5,793,139,511.45/86,344.10
  6. Step 6: Final answer
    x = 67,093.63

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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.