Home / 104,721.72-144,503.34-59,396.28

Finding the Fourth Proportional to 104,721.72, 144,503.34 and 59,396.28

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Solution

The fourth proportional to 104,721.72, 144,503.34 and 59,396.28 is: 81,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.72 : 144,503.34 = 59,396.28 : x
  2. Step 2: Convert to fraction form
    104,721.72/144,503.34 = 59,396.28/x
  3. Step 3: Cross multiply
    104,721.72x = 144,503.34 × 59,396.28
  4. Step 4: Simplify right side
    104,721.72x = 8,582,960,843.58
  5. Step 5: Solve for x
    x = 8,582,960,843.58/104,721.72
  6. Step 6: Final answer
    x = 81,959.70

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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.