Home / 108,387.02-149,624.28-63,048.48

Finding the Fourth Proportional to 108,387.02, 149,624.28 and 63,048.48

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Solution

The fourth proportional to 108,387.02, 149,624.28 and 63,048.48 is: 87,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.02 : 149,624.28 = 63,048.48 : x
  2. Step 2: Convert to fraction form
    108,387.02/149,624.28 = 63,048.48/x
  3. Step 3: Cross multiply
    108,387.02x = 149,624.28 × 63,048.48
  4. Step 4: Simplify right side
    108,387.02x = 9,433,583,425.09
  5. Step 5: Solve for x
    x = 9,433,583,425.09/108,387.02
  6. Step 6: Final answer
    x = 87,036.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.