Home / 79,323.21-109,501.20-50,680.53

Finding the Fourth Proportional to 79,323.21, 109,501.20 and 50,680.53

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Solution

The fourth proportional to 79,323.21, 109,501.20 and 50,680.53 is: 69,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,323.21 : 109,501.20 = 50,680.53 : x
  2. Step 2: Convert to fraction form
    79,323.21/109,501.20 = 50,680.53/x
  3. Step 3: Cross multiply
    79,323.21x = 109,501.20 × 50,680.53
  4. Step 4: Simplify right side
    79,323.21x = 5,549,578,851.64
  5. Step 5: Solve for x
    x = 5,549,578,851.64/79,323.21
  6. Step 6: Final answer
    x = 69,961.60

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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.