Home / 89,039.15-133,537.13-29,859.47

Finding the Fourth Proportional to 89,039.15, 133,537.13 and 29,859.47

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Solution

The fourth proportional to 89,039.15, 133,537.13 and 29,859.47 is: 44,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.15 : 133,537.13 = 29,859.47 : x
  2. Step 2: Convert to fraction form
    89,039.15/133,537.13 = 29,859.47/x
  3. Step 3: Cross multiply
    89,039.15x = 133,537.13 × 29,859.47
  4. Step 4: Simplify right side
    89,039.15x = 3,987,347,777.82
  5. Step 5: Solve for x
    x = 3,987,347,777.82/89,039.15
  6. Step 6: Final answer
    x = 44,781.96

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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.