Home / 85,014.10-127,517.10-28,848.70

Finding the Fourth Proportional to 85,014.10, 127,517.10 and 28,848.70

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Solution

The fourth proportional to 85,014.10, 127,517.10 and 28,848.70 is: 43,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.10 : 127,517.10 = 28,848.70 : x
  2. Step 2: Convert to fraction form
    85,014.10/127,517.10 = 28,848.70/x
  3. Step 3: Cross multiply
    85,014.10x = 127,517.10 × 28,848.70
  4. Step 4: Simplify right side
    85,014.10x = 3,678,702,562.77
  5. Step 5: Solve for x
    x = 3,678,702,562.77/85,014.10
  6. Step 6: Final answer
    x = 43,271.68

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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.