Home / 68,239.08-94,170.12-39,564.30

Finding the Fourth Proportional to 68,239.08, 94,170.12 and 39,564.30

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Solution

The fourth proportional to 68,239.08, 94,170.12 and 39,564.30 is: 54,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,239.08 : 94,170.12 = 39,564.30 : x
  2. Step 2: Convert to fraction form
    68,239.08/94,170.12 = 39,564.30/x
  3. Step 3: Cross multiply
    68,239.08x = 94,170.12 × 39,564.30
  4. Step 4: Simplify right side
    68,239.08x = 3,725,774,878.72
  5. Step 5: Solve for x
    x = 3,725,774,878.72/68,239.08
  6. Step 6: Final answer
    x = 54,598.84

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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.