Home / 44,064.90-66,108.29-20,664

Finding the Fourth Proportional to 44,064.90, 66,108.29 and 20,664

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Solution

The fourth proportional to 44,064.90, 66,108.29 and 20,664 is: 31,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,064.90 : 66,108.29 = 20,664 : x
  2. Step 2: Convert to fraction form
    44,064.90/66,108.29 = 20,664/x
  3. Step 3: Cross multiply
    44,064.90x = 66,108.29 × 20,664
  4. Step 4: Simplify right side
    44,064.90x = 1,366,061,601.24
  5. Step 5: Solve for x
    x = 1,366,061,601.24/44,064.90
  6. Step 6: Final answer
    x = 31,001.13

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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.