Home / 98,740.12-136,261.14-54,028.12

Finding the Fourth Proportional to 98,740.12, 136,261.14 and 54,028.12

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Solution

The fourth proportional to 98,740.12, 136,261.14 and 54,028.12 is: 74,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.12 : 136,261.14 = 54,028.12 : x
  2. Step 2: Convert to fraction form
    98,740.12/136,261.14 = 54,028.12/x
  3. Step 3: Cross multiply
    98,740.12x = 136,261.14 × 54,028.12
  4. Step 4: Simplify right side
    98,740.12x = 7,361,933,223.26
  5. Step 5: Solve for x
    x = 7,361,933,223.26/98,740.12
  6. Step 6: Final answer
    x = 74,558.68

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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.