Home / 89,339.13-133,884.63-39,344.31

Finding the Fourth Proportional to 89,339.13, 133,884.63 and 39,344.31

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Solution

The fourth proportional to 89,339.13, 133,884.63 and 39,344.31 is: 58,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.13 : 133,884.63 = 39,344.31 : x
  2. Step 2: Convert to fraction form
    89,339.13/133,884.63 = 39,344.31/x
  3. Step 3: Cross multiply
    89,339.13x = 133,884.63 × 39,344.31
  4. Step 4: Simplify right side
    89,339.13x = 5,267,598,386.96
  5. Step 5: Solve for x
    x = 5,267,598,386.96/89,339.13
  6. Step 6: Final answer
    x = 58,961.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.