Home / 99,151.49-136,829.22-53,829.47

Finding the Fourth Proportional to 99,151.49, 136,829.22 and 53,829.47

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Solution

The fourth proportional to 99,151.49, 136,829.22 and 53,829.47 is: 74,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,151.49 : 136,829.22 = 53,829.47 : x
  2. Step 2: Convert to fraction form
    99,151.49/136,829.22 = 53,829.47/x
  3. Step 3: Cross multiply
    99,151.49x = 136,829.22 × 53,829.47
  4. Step 4: Simplify right side
    99,151.49x = 7,365,444,393.11
  5. Step 5: Solve for x
    x = 7,365,444,393.11/99,151.49
  6. Step 6: Final answer
    x = 74,284.76

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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.