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Finding the Fourth Proportional to 75,605.69, 104,334.32 and 47,326.97

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Solution

The fourth proportional to 75,605.69, 104,334.32 and 47,326.97 is: 65,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.69 : 104,334.32 = 47,326.97 : x
  2. Step 2: Convert to fraction form
    75,605.69/104,334.32 = 47,326.97/x
  3. Step 3: Cross multiply
    75,605.69x = 104,334.32 × 47,326.97
  4. Step 4: Simplify right side
    75,605.69x = 4,937,827,232.61
  5. Step 5: Solve for x
    x = 4,937,827,232.61/75,605.69
  6. Step 6: Final answer
    x = 65,310.26

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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.