Home / 98,111.07-135,419.15-57,851.64

Finding the Fourth Proportional to 98,111.07, 135,419.15 and 57,851.64

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Solution

The fourth proportional to 98,111.07, 135,419.15 and 57,851.64 is: 79,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,111.07 : 135,419.15 = 57,851.64 : x
  2. Step 2: Convert to fraction form
    98,111.07/135,419.15 = 57,851.64/x
  3. Step 3: Cross multiply
    98,111.07x = 135,419.15 × 57,851.64
  4. Step 4: Simplify right side
    98,111.07x = 7,834,220,059.54
  5. Step 5: Solve for x
    x = 7,834,220,059.54/98,111.07
  6. Step 6: Final answer
    x = 79,850.52

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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.