Home / 79,139.20-118,670.40-44,041.60

Finding the Fourth Proportional to 79,139.20, 118,670.40 and 44,041.60

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Solution

The fourth proportional to 79,139.20, 118,670.40 and 44,041.60 is: 66,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,139.20 : 118,670.40 = 44,041.60 : x
  2. Step 2: Convert to fraction form
    79,139.20/118,670.40 = 44,041.60/x
  3. Step 3: Cross multiply
    79,139.20x = 118,670.40 × 44,041.60
  4. Step 4: Simplify right side
    79,139.20x = 5,226,434,288.64
  5. Step 5: Solve for x
    x = 5,226,434,288.64/79,139.20
  6. Step 6: Final answer
    x = 66,041.03

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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.