Home / 99,257.22-136,975.32-53,935.43

Finding the Fourth Proportional to 99,257.22, 136,975.32 and 53,935.43

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Solution

The fourth proportional to 99,257.22, 136,975.32 and 53,935.43 is: 74,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.22 : 136,975.32 = 53,935.43 : x
  2. Step 2: Convert to fraction form
    99,257.22/136,975.32 = 53,935.43/x
  3. Step 3: Cross multiply
    99,257.22x = 136,975.32 × 53,935.43
  4. Step 4: Simplify right side
    99,257.22x = 7,387,822,098.71
  5. Step 5: Solve for x
    x = 7,387,822,098.71/99,257.22
  6. Step 6: Final answer
    x = 74,431.08

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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.