Home / 85,332.81-127,999.22-23,003.31

Finding the Fourth Proportional to 85,332.81, 127,999.22 and 23,003.31

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Solution

The fourth proportional to 85,332.81, 127,999.22 and 23,003.31 is: 34,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332.81 : 127,999.22 = 23,003.31 : x
  2. Step 2: Convert to fraction form
    85,332.81/127,999.22 = 23,003.31/x
  3. Step 3: Cross multiply
    85,332.81x = 127,999.22 × 23,003.31
  4. Step 4: Simplify right side
    85,332.81x = 2,944,405,737.42
  5. Step 5: Solve for x
    x = 2,944,405,737.42/85,332.81
  6. Step 6: Final answer
    x = 34,504.97

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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.