Home / 121,080.03-181,618.02-54,473.01

Finding the Fourth Proportional to 121,080.03, 181,618.02 and 54,473.01

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Solution

The fourth proportional to 121,080.03, 181,618.02 and 54,473.01 is: 81,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,080.03 : 181,618.02 = 54,473.01 : x
  2. Step 2: Convert to fraction form
    121,080.03/181,618.02 = 54,473.01/x
  3. Step 3: Cross multiply
    121,080.03x = 181,618.02 × 54,473.01
  4. Step 4: Simplify right side
    121,080.03x = 9,893,280,219.64
  5. Step 5: Solve for x
    x = 9,893,280,219.64/121,080.03
  6. Step 6: Final answer
    x = 81,708.60

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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.