Home / 111,851.13-154,350.02-64,071.26

Finding the Fourth Proportional to 111,851.13, 154,350.02 and 64,071.26

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Solution

The fourth proportional to 111,851.13, 154,350.02 and 64,071.26 is: 88,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,851.13 : 154,350.02 = 64,071.26 : x
  2. Step 2: Convert to fraction form
    111,851.13/154,350.02 = 64,071.26/x
  3. Step 3: Cross multiply
    111,851.13x = 154,350.02 × 64,071.26
  4. Step 4: Simplify right side
    111,851.13x = 9,889,400,262.43
  5. Step 5: Solve for x
    x = 9,889,400,262.43/111,851.13
  6. Step 6: Final answer
    x = 88,415.74

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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.