Home / 56,121.12-84,108.95-22,802.51

Finding the Fourth Proportional to 56,121.12, 84,108.95 and 22,802.51

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Solution

The fourth proportional to 56,121.12, 84,108.95 and 22,802.51 is: 34,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121.12 : 84,108.95 = 22,802.51 : x
  2. Step 2: Convert to fraction form
    56,121.12/84,108.95 = 22,802.51/x
  3. Step 3: Cross multiply
    56,121.12x = 84,108.95 × 22,802.51
  4. Step 4: Simplify right side
    56,121.12x = 1,917,895,355.23
  5. Step 5: Solve for x
    x = 1,917,895,355.23/56,121.12
  6. Step 6: Final answer
    x = 34,174.22

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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.