Home / 79,418.10-109,596.65-43,607.19

Finding the Fourth Proportional to 79,418.10, 109,596.65 and 43,607.19

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Solution

The fourth proportional to 79,418.10, 109,596.65 and 43,607.19 is: 60,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,418.10 : 109,596.65 = 43,607.19 : x
  2. Step 2: Convert to fraction form
    79,418.10/109,596.65 = 43,607.19/x
  3. Step 3: Cross multiply
    79,418.10x = 109,596.65 × 43,607.19
  4. Step 4: Simplify right side
    79,418.10x = 4,779,201,721.88
  5. Step 5: Solve for x
    x = 4,779,201,721.88/79,418.10
  6. Step 6: Final answer
    x = 60,177.74

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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.