Home / 79,044.90-109,051.41-48,777.63

Finding the Fourth Proportional to 79,044.90, 109,051.41 and 48,777.63

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Solution

The fourth proportional to 79,044.90, 109,051.41 and 48,777.63 is: 67,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.90 : 109,051.41 = 48,777.63 : x
  2. Step 2: Convert to fraction form
    79,044.90/109,051.41 = 48,777.63/x
  3. Step 3: Cross multiply
    79,044.90x = 109,051.41 × 48,777.63
  4. Step 4: Simplify right side
    79,044.90x = 5,319,269,327.96
  5. Step 5: Solve for x
    x = 5,319,269,327.96/79,044.90
  6. Step 6: Final answer
    x = 67,294.28

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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.