Home / 62,917.33-86,881.28-42,822.21

Finding the Fourth Proportional to 62,917.33, 86,881.28 and 42,822.21

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Solution

The fourth proportional to 62,917.33, 86,881.28 and 42,822.21 is: 59,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,917.33 : 86,881.28 = 42,822.21 : x
  2. Step 2: Convert to fraction form
    62,917.33/86,881.28 = 42,822.21/x
  3. Step 3: Cross multiply
    62,917.33x = 86,881.28 × 42,822.21
  4. Step 4: Simplify right side
    62,917.33x = 3,720,448,417.23
  5. Step 5: Solve for x
    x = 3,720,448,417.23/62,917.33
  6. Step 6: Final answer
    x = 59,132.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.