Home / 108,821.04-163,133.04-38,683.95

Finding the Fourth Proportional to 108,821.04, 163,133.04 and 38,683.95

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Solution

The fourth proportional to 108,821.04, 163,133.04 and 38,683.95 is: 57,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,821.04 : 163,133.04 = 38,683.95 : x
  2. Step 2: Convert to fraction form
    108,821.04/163,133.04 = 38,683.95/x
  3. Step 3: Cross multiply
    108,821.04x = 163,133.04 × 38,683.95
  4. Step 4: Simplify right side
    108,821.04x = 6,310,630,362.71
  5. Step 5: Solve for x
    x = 6,310,630,362.71/108,821.04
  6. Step 6: Final answer
    x = 57,990.90

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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.