Home / 74,792.20-103,215.54-42,967.48

Finding the Fourth Proportional to 74,792.20, 103,215.54 and 42,967.48

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Solution

The fourth proportional to 74,792.20, 103,215.54 and 42,967.48 is: 59,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,792.20 : 103,215.54 = 42,967.48 : x
  2. Step 2: Convert to fraction form
    74,792.20/103,215.54 = 42,967.48/x
  3. Step 3: Cross multiply
    74,792.20x = 103,215.54 × 42,967.48
  4. Step 4: Simplify right side
    74,792.20x = 4,434,911,650.64
  5. Step 5: Solve for x
    x = 4,434,911,650.64/74,792.20
  6. Step 6: Final answer
    x = 59,296.45

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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.