Home / 88,177.88-121,669.65-52,376.69

Finding the Fourth Proportional to 88,177.88, 121,669.65 and 52,376.69

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Solution

The fourth proportional to 88,177.88, 121,669.65 and 52,376.69 is: 72,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.88 : 121,669.65 = 52,376.69 : x
  2. Step 2: Convert to fraction form
    88,177.88/121,669.65 = 52,376.69/x
  3. Step 3: Cross multiply
    88,177.88x = 121,669.65 × 52,376.69
  4. Step 4: Simplify right side
    88,177.88x = 6,372,653,844.63
  5. Step 5: Solve for x
    x = 6,372,653,844.63/88,177.88
  6. Step 6: Final answer
    x = 72,270.43

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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.