Home / 98,583.36-136,046.88-53,872.96

Finding the Fourth Proportional to 98,583.36, 136,046.88 and 53,872.96

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Solution

The fourth proportional to 98,583.36, 136,046.88 and 53,872.96 is: 74,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.36 : 136,046.88 = 53,872.96 : x
  2. Step 2: Convert to fraction form
    98,583.36/136,046.88 = 53,872.96/x
  3. Step 3: Cross multiply
    98,583.36x = 136,046.88 × 53,872.96
  4. Step 4: Simplify right side
    98,583.36x = 7,329,248,124.36
  5. Step 5: Solve for x
    x = 7,329,248,124.36/98,583.36
  6. Step 6: Final answer
    x = 74,345.69

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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.