Home / 83,400.03-115,092.09-45,674.28

Finding the Fourth Proportional to 83,400.03, 115,092.09 and 45,674.28

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Solution

The fourth proportional to 83,400.03, 115,092.09 and 45,674.28 is: 63,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,400.03 : 115,092.09 = 45,674.28 : x
  2. Step 2: Convert to fraction form
    83,400.03/115,092.09 = 45,674.28/x
  3. Step 3: Cross multiply
    83,400.03x = 115,092.09 × 45,674.28
  4. Step 4: Simplify right side
    83,400.03x = 5,256,748,344.45
  5. Step 5: Solve for x
    x = 5,256,748,344.45/83,400.03
  6. Step 6: Final answer
    x = 63,030.53

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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.