Home / 79,421.52-109,597.40-43,616.24

Finding the Fourth Proportional to 79,421.52, 109,597.40 and 43,616.24

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Solution

The fourth proportional to 79,421.52, 109,597.40 and 43,616.24 is: 60,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,421.52 : 109,597.40 = 43,616.24 : x
  2. Step 2: Convert to fraction form
    79,421.52/109,597.40 = 43,616.24/x
  3. Step 3: Cross multiply
    79,421.52x = 109,597.40 × 43,616.24
  4. Step 4: Simplify right side
    79,421.52x = 4,780,226,501.78
  5. Step 5: Solve for x
    x = 4,780,226,501.78/79,421.52
  6. Step 6: Final answer
    x = 60,188.05

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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.