Home / 79,206.16-118,995.03-74,722.72

Finding the Fourth Proportional to 79,206.16, 118,995.03 and 74,722.72

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Solution

The fourth proportional to 79,206.16, 118,995.03 and 74,722.72 is: 112,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,206.16 : 118,995.03 = 74,722.72 : x
  2. Step 2: Convert to fraction form
    79,206.16/118,995.03 = 74,722.72/x
  3. Step 3: Cross multiply
    79,206.16x = 118,995.03 × 74,722.72
  4. Step 4: Simplify right side
    79,206.16x = 8,891,632,308.08
  5. Step 5: Solve for x
    x = 8,891,632,308.08/79,206.16
  6. Step 6: Final answer
    x = 112,259.35

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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.