Home / 75,535.24-104,235.78-42,003.40

Finding the Fourth Proportional to 75,535.24, 104,235.78 and 42,003.40

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Solution

The fourth proportional to 75,535.24, 104,235.78 and 42,003.40 is: 57,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,535.24 : 104,235.78 = 42,003.40 : x
  2. Step 2: Convert to fraction form
    75,535.24/104,235.78 = 42,003.40/x
  3. Step 3: Cross multiply
    75,535.24x = 104,235.78 × 42,003.40
  4. Step 4: Simplify right side
    75,535.24x = 4,378,257,161.65
  5. Step 5: Solve for x
    x = 4,378,257,161.65/75,535.24
  6. Step 6: Final answer
    x = 57,963.11

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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.