Home / 83,725.84-125,588.58-21,396.16

Finding the Fourth Proportional to 83,725.84, 125,588.58 and 21,396.16

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Solution

The fourth proportional to 83,725.84, 125,588.58 and 21,396.16 is: 32,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,725.84 : 125,588.58 = 21,396.16 : x
  2. Step 2: Convert to fraction form
    83,725.84/125,588.58 = 21,396.16/x
  3. Step 3: Cross multiply
    83,725.84x = 125,588.58 × 21,396.16
  4. Step 4: Simplify right side
    83,725.84x = 2,687,113,351.85
  5. Step 5: Solve for x
    x = 2,687,113,351.85/83,725.84
  6. Step 6: Final answer
    x = 32,094.19

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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.