Home / 109,070.90-163,617.15-37,982.60

Finding the Fourth Proportional to 109,070.90, 163,617.15 and 37,982.60

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Solution

The fourth proportional to 109,070.90, 163,617.15 and 37,982.60 is: 56,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,070.90 : 163,617.15 = 37,982.60 : x
  2. Step 2: Convert to fraction form
    109,070.90/163,617.15 = 37,982.60/x
  3. Step 3: Cross multiply
    109,070.90x = 163,617.15 × 37,982.60
  4. Step 4: Simplify right side
    109,070.90x = 6,214,604,761.59
  5. Step 5: Solve for x
    x = 6,214,604,761.59/109,070.90
  6. Step 6: Final answer
    x = 56,977.66

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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.