Home / 88,988.52-122,795.82-53,171.40

Finding the Fourth Proportional to 88,988.52, 122,795.82 and 53,171.40

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Solution

The fourth proportional to 88,988.52, 122,795.82 and 53,171.40 is: 73,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.52 : 122,795.82 = 53,171.40 : x
  2. Step 2: Convert to fraction form
    88,988.52/122,795.82 = 53,171.40/x
  3. Step 3: Cross multiply
    88,988.52x = 122,795.82 × 53,171.40
  4. Step 4: Simplify right side
    88,988.52x = 6,529,225,663.55
  5. Step 5: Solve for x
    x = 6,529,225,663.55/88,988.52
  6. Step 6: Final answer
    x = 73,371.55

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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.