Home / 85,005.03-127,507.50-40,496.88

Finding the Fourth Proportional to 85,005.03, 127,507.50 and 40,496.88

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Solution

The fourth proportional to 85,005.03, 127,507.50 and 40,496.88 is: 60,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.03 : 127,507.50 = 40,496.88 : x
  2. Step 2: Convert to fraction form
    85,005.03/127,507.50 = 40,496.88/x
  3. Step 3: Cross multiply
    85,005.03x = 127,507.50 × 40,496.88
  4. Step 4: Simplify right side
    85,005.03x = 5,163,655,926.60
  5. Step 5: Solve for x
    x = 5,163,655,926.60/85,005.03
  6. Step 6: Final answer
    x = 60,745.30

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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.