Home / 97,883.47-135,067.80-57,588.40

Finding the Fourth Proportional to 97,883.47, 135,067.80 and 57,588.40

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Solution

The fourth proportional to 97,883.47, 135,067.80 and 57,588.40 is: 79,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,883.47 : 135,067.80 = 57,588.40 : x
  2. Step 2: Convert to fraction form
    97,883.47/135,067.80 = 57,588.40/x
  3. Step 3: Cross multiply
    97,883.47x = 135,067.80 × 57,588.40
  4. Step 4: Simplify right side
    97,883.47x = 7,778,338,493.52
  5. Step 5: Solve for x
    x = 7,778,338,493.52/97,883.47
  6. Step 6: Final answer
    x = 79,465.29

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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.