Home / 88,661.40-122,326.08-58,435.86

Finding the Fourth Proportional to 88,661.40, 122,326.08 and 58,435.86

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Solution

The fourth proportional to 88,661.40, 122,326.08 and 58,435.86 is: 80,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.40 : 122,326.08 = 58,435.86 : x
  2. Step 2: Convert to fraction form
    88,661.40/122,326.08 = 58,435.86/x
  3. Step 3: Cross multiply
    88,661.40x = 122,326.08 × 58,435.86
  4. Step 4: Simplify right side
    88,661.40x = 7,148,229,685.23
  5. Step 5: Solve for x
    x = 7,148,229,685.23/88,661.40
  6. Step 6: Final answer
    x = 80,623.92

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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.