Home / 99,126.47-136,794.62-53,804.43

Finding the Fourth Proportional to 99,126.47, 136,794.62 and 53,804.43

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Solution

The fourth proportional to 99,126.47, 136,794.62 and 53,804.43 is: 74,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,126.47 : 136,794.62 = 53,804.43 : x
  2. Step 2: Convert to fraction form
    99,126.47/136,794.62 = 53,804.43/x
  3. Step 3: Cross multiply
    99,126.47x = 136,794.62 × 53,804.43
  4. Step 4: Simplify right side
    99,126.47x = 7,360,156,287.14
  5. Step 5: Solve for x
    x = 7,360,156,287.14/99,126.47
  6. Step 6: Final answer
    x = 74,250.16

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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.