Home / 84,088.83-126,133.69-21,759.33

Finding the Fourth Proportional to 84,088.83, 126,133.69 and 21,759.33

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Solution

The fourth proportional to 84,088.83, 126,133.69 and 21,759.33 is: 32,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,088.83 : 126,133.69 = 21,759.33 : x
  2. Step 2: Convert to fraction form
    84,088.83/126,133.69 = 21,759.33/x
  3. Step 3: Cross multiply
    84,088.83x = 126,133.69 × 21,759.33
  4. Step 4: Simplify right side
    84,088.83x = 2,744,584,584.83
  5. Step 5: Solve for x
    x = 2,744,584,584.83/84,088.83
  6. Step 6: Final answer
    x = 32,639.11

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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.