Home / 83,899.48-115,782.10-46,174.60

Finding the Fourth Proportional to 83,899.48, 115,782.10 and 46,174.60

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Solution

The fourth proportional to 83,899.48, 115,782.10 and 46,174.60 is: 63,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,899.48 : 115,782.10 = 46,174.60 : x
  2. Step 2: Convert to fraction form
    83,899.48/115,782.10 = 46,174.60/x
  3. Step 3: Cross multiply
    83,899.48x = 115,782.10 × 46,174.60
  4. Step 4: Simplify right side
    83,899.48x = 5,346,192,154.66
  5. Step 5: Solve for x
    x = 5,346,192,154.66/83,899.48
  6. Step 6: Final answer
    x = 63,721.40

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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.