Home / 84,477.29-126,720.14-25,307.33

Finding the Fourth Proportional to 84,477.29, 126,720.14 and 25,307.33

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Solution

The fourth proportional to 84,477.29, 126,720.14 and 25,307.33 is: 37,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,477.29 : 126,720.14 = 25,307.33 : x
  2. Step 2: Convert to fraction form
    84,477.29/126,720.14 = 25,307.33/x
  3. Step 3: Cross multiply
    84,477.29x = 126,720.14 × 25,307.33
  4. Step 4: Simplify right side
    84,477.29x = 3,206,947,640.49
  5. Step 5: Solve for x
    x = 3,206,947,640.49/84,477.29
  6. Step 6: Final answer
    x = 37,962.25

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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.