Home / 75,838.02-104,655.51-41,382.78

Finding the Fourth Proportional to 75,838.02, 104,655.51 and 41,382.78

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Solution

The fourth proportional to 75,838.02, 104,655.51 and 41,382.78 is: 57,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,838.02 : 104,655.51 = 41,382.78 : x
  2. Step 2: Convert to fraction form
    75,838.02/104,655.51 = 41,382.78/x
  3. Step 3: Cross multiply
    75,838.02x = 104,655.51 × 41,382.78
  4. Step 4: Simplify right side
    75,838.02x = 4,330,935,946.12
  5. Step 5: Solve for x
    x = 4,330,935,946.12/75,838.02
  6. Step 6: Final answer
    x = 57,107.71

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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.