Home / 99,195.84-136,889.28-53,874.24

Finding the Fourth Proportional to 99,195.84, 136,889.28 and 53,874.24

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Solution

The fourth proportional to 99,195.84, 136,889.28 and 53,874.24 is: 74,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,195.84 : 136,889.28 = 53,874.24 : x
  2. Step 2: Convert to fraction form
    99,195.84/136,889.28 = 53,874.24/x
  3. Step 3: Cross multiply
    99,195.84x = 136,889.28 × 53,874.24
  4. Step 4: Simplify right side
    99,195.84x = 7,374,805,924.15
  5. Step 5: Solve for x
    x = 7,374,805,924.15/99,195.84
  6. Step 6: Final answer
    x = 74,345.92

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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.