Home / 98,741.12-136,262.52-54,029.12

Finding the Fourth Proportional to 98,741.12, 136,262.52 and 54,029.12

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Solution

The fourth proportional to 98,741.12, 136,262.52 and 54,029.12 is: 74,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,741.12 : 136,262.52 = 54,029.12 : x
  2. Step 2: Convert to fraction form
    98,741.12/136,262.52 = 54,029.12/x
  3. Step 3: Cross multiply
    98,741.12x = 136,262.52 × 54,029.12
  4. Step 4: Simplify right side
    98,741.12x = 7,362,144,044.58
  5. Step 5: Solve for x
    x = 7,362,144,044.58/98,741.12
  6. Step 6: Final answer
    x = 74,560.06

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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.