Home / 79,030.32-109,058.48-43,221.52

Finding the Fourth Proportional to 79,030.32, 109,058.48 and 43,221.52

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Solution

The fourth proportional to 79,030.32, 109,058.48 and 43,221.52 is: 59,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,030.32 : 109,058.48 = 43,221.52 : x
  2. Step 2: Convert to fraction form
    79,030.32/109,058.48 = 43,221.52/x
  3. Step 3: Cross multiply
    79,030.32x = 109,058.48 × 43,221.52
  4. Step 4: Simplify right side
    79,030.32x = 4,713,673,274.49
  5. Step 5: Solve for x
    x = 4,713,673,274.49/79,030.32
  6. Step 6: Final answer
    x = 59,643.86

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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.