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Finding the Fourth Proportional to 75,571.60, 104,218.01 and 46,895.91

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Solution

The fourth proportional to 75,571.60, 104,218.01 and 46,895.91 is: 64,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,571.60 : 104,218.01 = 46,895.91 : x
  2. Step 2: Convert to fraction form
    75,571.60/104,218.01 = 46,895.91/x
  3. Step 3: Cross multiply
    75,571.60x = 104,218.01 × 46,895.91
  4. Step 4: Simplify right side
    75,571.60x = 4,887,398,417.34
  5. Step 5: Solve for x
    x = 4,887,398,417.34/75,571.60
  6. Step 6: Final answer
    x = 64,672.42

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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.