Home / 88,654.06-122,352.02-54,218.94

Finding the Fourth Proportional to 88,654.06, 122,352.02 and 54,218.94

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Solution

The fourth proportional to 88,654.06, 122,352.02 and 54,218.94 is: 74,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.06 : 122,352.02 = 54,218.94 : x
  2. Step 2: Convert to fraction form
    88,654.06/122,352.02 = 54,218.94/x
  3. Step 3: Cross multiply
    88,654.06x = 122,352.02 × 54,218.94
  4. Step 4: Simplify right side
    88,654.06x = 6,633,796,304.67
  5. Step 5: Solve for x
    x = 6,633,796,304.67/88,654.06
  6. Step 6: Final answer
    x = 74,827.89

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1.5x scale

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.