Home / 100,097.53-138,120.93-59,802.73

Finding the Fourth Proportional to 100,097.53, 138,120.93 and 59,802.73

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Solution

The fourth proportional to 100,097.53, 138,120.93 and 59,802.73 is: 82,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,097.53 : 138,120.93 = 59,802.73 : x
  2. Step 2: Convert to fraction form
    100,097.53/138,120.93 = 59,802.73/x
  3. Step 3: Cross multiply
    100,097.53x = 138,120.93 × 59,802.73
  4. Step 4: Simplify right side
    100,097.53x = 8,260,008,338.84
  5. Step 5: Solve for x
    x = 8,260,008,338.84/100,097.53
  6. Step 6: Final answer
    x = 82,519.60

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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.