Home / 99,260.39-137,050.85-61,071.32

Finding the Fourth Proportional to 99,260.39, 137,050.85 and 61,071.32

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Solution

The fourth proportional to 99,260.39, 137,050.85 and 61,071.32 is: 84,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.39 : 137,050.85 = 61,071.32 : x
  2. Step 2: Convert to fraction form
    99,260.39/137,050.85 = 61,071.32/x
  3. Step 3: Cross multiply
    99,260.39x = 137,050.85 × 61,071.32
  4. Step 4: Simplify right side
    99,260.39x = 8,369,876,316.62
  5. Step 5: Solve for x
    x = 8,369,876,316.62/99,260.39
  6. Step 6: Final answer
    x = 84,322.42

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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.