Home / 79,076.90-109,126.05-43,267.06

Finding the Fourth Proportional to 79,076.90, 109,126.05 and 43,267.06

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Solution

The fourth proportional to 79,076.90, 109,126.05 and 43,267.06 is: 59,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.90 : 109,126.05 = 43,267.06 : x
  2. Step 2: Convert to fraction form
    79,076.90/109,126.05 = 43,267.06/x
  3. Step 3: Cross multiply
    79,076.90x = 109,126.05 × 43,267.06
  4. Step 4: Simplify right side
    79,076.90x = 4,721,563,352.91
  5. Step 5: Solve for x
    x = 4,721,563,352.91/79,076.90
  6. Step 6: Final answer
    x = 59,708.50

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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.