Home / 108,776.67-163,047.02-42,197.10

Finding the Fourth Proportional to 108,776.67, 163,047.02 and 42,197.10

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Solution

The fourth proportional to 108,776.67, 163,047.02 and 42,197.10 is: 63,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,776.67 : 163,047.02 = 42,197.10 : x
  2. Step 2: Convert to fraction form
    108,776.67/163,047.02 = 42,197.10/x
  3. Step 3: Cross multiply
    108,776.67x = 163,047.02 × 42,197.10
  4. Step 4: Simplify right side
    108,776.67x = 6,880,111,196.66
  5. Step 5: Solve for x
    x = 6,880,111,196.66/108,776.67
  6. Step 6: Final answer
    x = 63,249.88

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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.