Home / 98,556.24-135,987.48-56,103.60

Finding the Fourth Proportional to 98,556.24, 135,987.48 and 56,103.60

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Solution

The fourth proportional to 98,556.24, 135,987.48 and 56,103.60 is: 77,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,556.24 : 135,987.48 = 56,103.60 : x
  2. Step 2: Convert to fraction form
    98,556.24/135,987.48 = 56,103.60/x
  3. Step 3: Cross multiply
    98,556.24x = 135,987.48 × 56,103.60
  4. Step 4: Simplify right side
    98,556.24x = 7,629,387,182.93
  5. Step 5: Solve for x
    x = 7,629,387,182.93/98,556.24
  6. Step 6: Final answer
    x = 77,411.51

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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.