Home / 75,322.07-103,953.68-43,490.90

Finding the Fourth Proportional to 75,322.07, 103,953.68 and 43,490.90

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Solution

The fourth proportional to 75,322.07, 103,953.68 and 43,490.90 is: 60,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,322.07 : 103,953.68 = 43,490.90 : x
  2. Step 2: Convert to fraction form
    75,322.07/103,953.68 = 43,490.90/x
  3. Step 3: Cross multiply
    75,322.07x = 103,953.68 × 43,490.90
  4. Step 4: Simplify right side
    75,322.07x = 4,521,038,364.29
  5. Step 5: Solve for x
    x = 4,521,038,364.29/75,322.07
  6. Step 6: Final answer
    x = 60,022.76

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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.