Home / 100,695.19-151,033.02-30,575.11

Finding the Fourth Proportional to 100,695.19, 151,033.02 and 30,575.11

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Solution

The fourth proportional to 100,695.19, 151,033.02 and 30,575.11 is: 45,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,695.19 : 151,033.02 = 30,575.11 : x
  2. Step 2: Convert to fraction form
    100,695.19/151,033.02 = 30,575.11/x
  3. Step 3: Cross multiply
    100,695.19x = 151,033.02 × 30,575.11
  4. Step 4: Simplify right side
    100,695.19x = 4,617,851,200.13
  5. Step 5: Solve for x
    x = 4,617,851,200.13/100,695.19
  6. Step 6: Final answer
    x = 45,859.70

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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.