Home / 75,830.61-104,646.69-41,838.57

Finding the Fourth Proportional to 75,830.61, 104,646.69 and 41,838.57

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Solution

The fourth proportional to 75,830.61, 104,646.69 and 41,838.57 is: 57,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,830.61 : 104,646.69 = 41,838.57 : x
  2. Step 2: Convert to fraction form
    75,830.61/104,646.69 = 41,838.57/x
  3. Step 3: Cross multiply
    75,830.61x = 104,646.69 × 41,838.57
  4. Step 4: Simplify right side
    75,830.61x = 4,378,267,864.83
  5. Step 5: Solve for x
    x = 4,378,267,864.83/75,830.61
  6. Step 6: Final answer
    x = 57,737.47

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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.