Home / 87,212.07-130,800.06-39,813.93

Finding the Fourth Proportional to 87,212.07, 130,800.06 and 39,813.93

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Solution

The fourth proportional to 87,212.07, 130,800.06 and 39,813.93 is: 59,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,212.07 : 130,800.06 = 39,813.93 : x
  2. Step 2: Convert to fraction form
    87,212.07/130,800.06 = 39,813.93/x
  3. Step 3: Cross multiply
    87,212.07x = 130,800.06 × 39,813.93
  4. Step 4: Simplify right side
    87,212.07x = 5,207,664,432.84
  5. Step 5: Solve for x
    x = 5,207,664,432.84/87,212.07
  6. Step 6: Final answer
    x = 59,712.66

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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.