Home / 75,943.92-104,811.64-55,807.68

Finding the Fourth Proportional to 75,943.92, 104,811.64 and 55,807.68

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Solution

The fourth proportional to 75,943.92, 104,811.64 and 55,807.68 is: 77,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,943.92 : 104,811.64 = 55,807.68 : x
  2. Step 2: Convert to fraction form
    75,943.92/104,811.64 = 55,807.68/x
  3. Step 3: Cross multiply
    75,943.92x = 104,811.64 × 55,807.68
  4. Step 4: Simplify right side
    75,943.92x = 5,849,294,465.40
  5. Step 5: Solve for x
    x = 5,849,294,465.40/75,943.92
  6. Step 6: Final answer
    x = 77,021.23

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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.