Home / 118,818.08-163,988.40-67,832.93

Finding the Fourth Proportional to 118,818.08, 163,988.40 and 67,832.93

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Solution

The fourth proportional to 118,818.08, 163,988.40 and 67,832.93 is: 93,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,818.08 : 163,988.40 = 67,832.93 : x
  2. Step 2: Convert to fraction form
    118,818.08/163,988.40 = 67,832.93/x
  3. Step 3: Cross multiply
    118,818.08x = 163,988.40 × 67,832.93
  4. Step 4: Simplify right side
    118,818.08x = 11,123,813,658.01
  5. Step 5: Solve for x
    x = 11,123,813,658.01/118,818.08
  6. Step 6: Final answer
    x = 93,620.55

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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.