Home / 75,557.84-104,273.32-43,720.56

Finding the Fourth Proportional to 75,557.84, 104,273.32 and 43,720.56

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Solution

The fourth proportional to 75,557.84, 104,273.32 and 43,720.56 is: 60,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,557.84 : 104,273.32 = 43,720.56 : x
  2. Step 2: Convert to fraction form
    75,557.84/104,273.32 = 43,720.56/x
  3. Step 3: Cross multiply
    75,557.84x = 104,273.32 × 43,720.56
  4. Step 4: Simplify right side
    75,557.84x = 4,558,887,943.46
  5. Step 5: Solve for x
    x = 4,558,887,943.46/75,557.84
  6. Step 6: Final answer
    x = 60,336.40

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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.