Home / 75,291.03-103,893.17-43,470.45

Finding the Fourth Proportional to 75,291.03, 103,893.17 and 43,470.45

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Solution

The fourth proportional to 75,291.03, 103,893.17 and 43,470.45 is: 59,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.03 : 103,893.17 = 43,470.45 : x
  2. Step 2: Convert to fraction form
    75,291.03/103,893.17 = 43,470.45/x
  3. Step 3: Cross multiply
    75,291.03x = 103,893.17 × 43,470.45
  4. Step 4: Simplify right side
    75,291.03x = 4,516,282,634.47
  5. Step 5: Solve for x
    x = 4,516,282,634.47/75,291.03
  6. Step 6: Final answer
    x = 59,984.34

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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.