Home / 98,526.78-135,973.89-54,922.12

Finding the Fourth Proportional to 98,526.78, 135,973.89 and 54,922.12

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Solution

The fourth proportional to 98,526.78, 135,973.89 and 54,922.12 is: 75,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,526.78 : 135,973.89 = 54,922.12 : x
  2. Step 2: Convert to fraction form
    98,526.78/135,973.89 = 54,922.12/x
  3. Step 3: Cross multiply
    98,526.78x = 135,973.89 × 54,922.12
  4. Step 4: Simplify right side
    98,526.78x = 7,467,973,963.51
  5. Step 5: Solve for x
    x = 7,467,973,963.51/98,526.78
  6. Step 6: Final answer
    x = 75,796.39

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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.