Home / 108,834.84-163,221.28-42,260.74

Finding the Fourth Proportional to 108,834.84, 163,221.28 and 42,260.74

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Solution

The fourth proportional to 108,834.84, 163,221.28 and 42,260.74 is: 63,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,834.84 : 163,221.28 = 42,260.74 : x
  2. Step 2: Convert to fraction form
    108,834.84/163,221.28 = 42,260.74/x
  3. Step 3: Cross multiply
    108,834.84x = 163,221.28 × 42,260.74
  4. Step 4: Simplify right side
    108,834.84x = 6,897,851,562.84
  5. Step 5: Solve for x
    x = 6,897,851,562.84/108,834.84
  6. Step 6: Final answer
    x = 63,379.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.