Home / 85,005.96-127,462.12-35,074.70

Finding the Fourth Proportional to 85,005.96, 127,462.12 and 35,074.70

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Solution

The fourth proportional to 85,005.96, 127,462.12 and 35,074.70 is: 52,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,005.96 : 127,462.12 = 35,074.70 : x
  2. Step 2: Convert to fraction form
    85,005.96/127,462.12 = 35,074.70/x
  3. Step 3: Cross multiply
    85,005.96x = 127,462.12 × 35,074.70
  4. Step 4: Simplify right side
    85,005.96x = 4,470,695,064.19
  5. Step 5: Solve for x
    x = 4,470,695,064.19/85,005.96
  6. Step 6: Final answer
    x = 52,592.73

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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.