Home / 79,921.08-119,853.39-26,598.64

Finding the Fourth Proportional to 79,921.08, 119,853.39 and 26,598.64

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Solution

The fourth proportional to 79,921.08, 119,853.39 and 26,598.64 is: 39,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921.08 : 119,853.39 = 26,598.64 : x
  2. Step 2: Convert to fraction form
    79,921.08/119,853.39 = 26,598.64/x
  3. Step 3: Cross multiply
    79,921.08x = 119,853.39 × 26,598.64
  4. Step 4: Simplify right side
    79,921.08x = 3,187,937,173.39
  5. Step 5: Solve for x
    x = 3,187,937,173.39/79,921.08
  6. Step 6: Final answer
    x = 39,888.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.