Home / 98,727.11-136,101.71-70,383.59

Finding the Fourth Proportional to 98,727.11, 136,101.71 and 70,383.59

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Solution

The fourth proportional to 98,727.11, 136,101.71 and 70,383.59 is: 97,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.11 : 136,101.71 = 70,383.59 : x
  2. Step 2: Convert to fraction form
    98,727.11/136,101.71 = 70,383.59/x
  3. Step 3: Cross multiply
    98,727.11x = 136,101.71 × 70,383.59
  4. Step 4: Simplify right side
    98,727.11x = 9,579,326,603.02
  5. Step 5: Solve for x
    x = 9,579,326,603.02/98,727.11
  6. Step 6: Final answer
    x = 97,028.33

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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.