Home / 68,239.58-94,170.81-39,564.80

Finding the Fourth Proportional to 68,239.58, 94,170.81 and 39,564.80

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Solution

The fourth proportional to 68,239.58, 94,170.81 and 39,564.80 is: 54,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,239.58 : 94,170.81 = 39,564.80 : x
  2. Step 2: Convert to fraction form
    68,239.58/94,170.81 = 39,564.80/x
  3. Step 3: Cross multiply
    68,239.58x = 94,170.81 × 39,564.80
  4. Step 4: Simplify right side
    68,239.58x = 3,725,849,263.49
  5. Step 5: Solve for x
    x = 3,725,849,263.49/68,239.58
  6. Step 6: Final answer
    x = 54,599.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.