Home / 108,914.04-163,381.14-42,359.22

Finding the Fourth Proportional to 108,914.04, 163,381.14 and 42,359.22

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Solution

The fourth proportional to 108,914.04, 163,381.14 and 42,359.22 is: 63,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,914.04 : 163,381.14 = 42,359.22 : x
  2. Step 2: Convert to fraction form
    108,914.04/163,381.14 = 42,359.22/x
  3. Step 3: Cross multiply
    108,914.04x = 163,381.14 × 42,359.22
  4. Step 4: Simplify right side
    108,914.04x = 6,920,697,653.11
  5. Step 5: Solve for x
    x = 6,920,697,653.11/108,914.04
  6. Step 6: Final answer
    x = 63,542.75

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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.