Home / 85,328.36-127,983.90-23,005.16

Finding the Fourth Proportional to 85,328.36, 127,983.90 and 23,005.16

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Solution

The fourth proportional to 85,328.36, 127,983.90 and 23,005.16 is: 34,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.36 : 127,983.90 = 23,005.16 : x
  2. Step 2: Convert to fraction form
    85,328.36/127,983.90 = 23,005.16/x
  3. Step 3: Cross multiply
    85,328.36x = 127,983.90 × 23,005.16
  4. Step 4: Simplify right side
    85,328.36x = 2,944,290,096.92
  5. Step 5: Solve for x
    x = 2,944,290,096.92/85,328.36
  6. Step 6: Final answer
    x = 34,505.41

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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.