Home / 98,840.12-136,400.49-53,519.13

Finding the Fourth Proportional to 98,840.12, 136,400.49 and 53,519.13

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Solution

The fourth proportional to 98,840.12, 136,400.49 and 53,519.13 is: 73,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840.12 : 136,400.49 = 53,519.13 : x
  2. Step 2: Convert to fraction form
    98,840.12/136,400.49 = 53,519.13/x
  3. Step 3: Cross multiply
    98,840.12x = 136,400.49 × 53,519.13
  4. Step 4: Simplify right side
    98,840.12x = 7,300,035,556.37
  5. Step 5: Solve for x
    x = 7,300,035,556.37/98,840.12
  6. Step 6: Final answer
    x = 73,857.01

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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.