Home / 58,965.90-81,452.54-47,112.36

Finding the Fourth Proportional to 58,965.90, 81,452.54 and 47,112.36

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Solution

The fourth proportional to 58,965.90, 81,452.54 and 47,112.36 is: 65,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,965.90 : 81,452.54 = 47,112.36 : x
  2. Step 2: Convert to fraction form
    58,965.90/81,452.54 = 47,112.36/x
  3. Step 3: Cross multiply
    58,965.90x = 81,452.54 × 47,112.36
  4. Step 4: Simplify right side
    58,965.90x = 3,837,421,387.39
  5. Step 5: Solve for x
    x = 3,837,421,387.39/58,965.90
  6. Step 6: Final answer
    x = 65,078.65

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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.