Home / 99,255.87-148,800.07-43,053.66

Finding the Fourth Proportional to 99,255.87, 148,800.07 and 43,053.66

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Solution

The fourth proportional to 99,255.87, 148,800.07 and 43,053.66 is: 64,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,255.87 : 148,800.07 = 43,053.66 : x
  2. Step 2: Convert to fraction form
    99,255.87/148,800.07 = 43,053.66/x
  3. Step 3: Cross multiply
    99,255.87x = 148,800.07 × 43,053.66
  4. Step 4: Simplify right side
    99,255.87x = 6,406,387,621.76
  5. Step 5: Solve for x
    x = 6,406,387,621.76/99,255.87
  6. Step 6: Final answer
    x = 64,544.17

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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.