Home / 104,425-144,115.14-59,721.64

Finding the Fourth Proportional to 104,425, 144,115.14 and 59,721.64

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Solution

The fourth proportional to 104,425, 144,115.14 and 59,721.64 is: 82,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425 : 144,115.14 = 59,721.64 : x
  2. Step 2: Convert to fraction form
    104,425/144,115.14 = 59,721.64/x
  3. Step 3: Cross multiply
    104,425x = 144,115.14 × 59,721.64
  4. Step 4: Simplify right side
    104,425x = 8,606,792,509.63
  5. Step 5: Solve for x
    x = 8,606,792,509.63/104,425
  6. Step 6: Final answer
    x = 82,420.80

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1.5x scale

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.