Home / 85,331.81-127,997.72-23,002.31

Finding the Fourth Proportional to 85,331.81, 127,997.72 and 23,002.31

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Solution

The fourth proportional to 85,331.81, 127,997.72 and 23,002.31 is: 34,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.81 : 127,997.72 = 23,002.31 : x
  2. Step 2: Convert to fraction form
    85,331.81/127,997.72 = 23,002.31/x
  3. Step 3: Cross multiply
    85,331.81x = 127,997.72 × 23,002.31
  4. Step 4: Simplify right side
    85,331.81x = 2,944,243,525.97
  5. Step 5: Solve for x
    x = 2,944,243,525.97/85,331.81
  6. Step 6: Final answer
    x = 34,503.47

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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.