Home / 104,451.28-144,127.56-59,730.64

Finding the Fourth Proportional to 104,451.28, 144,127.56 and 59,730.64

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Solution

The fourth proportional to 104,451.28, 144,127.56 and 59,730.64 is: 82,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,451.28 : 144,127.56 = 59,730.64 : x
  2. Step 2: Convert to fraction form
    104,451.28/144,127.56 = 59,730.64/x
  3. Step 3: Cross multiply
    104,451.28x = 144,127.56 × 59,730.64
  4. Step 4: Simplify right side
    104,451.28x = 8,608,831,400.44
  5. Step 5: Solve for x
    x = 8,608,831,400.44/104,451.28
  6. Step 6: Final answer
    x = 82,419.59

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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.