Home / 108,437.12-149,638.44-63,116.48

Finding the Fourth Proportional to 108,437.12, 149,638.44 and 63,116.48

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Solution

The fourth proportional to 108,437.12, 149,638.44 and 63,116.48 is: 87,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,437.12 : 149,638.44 = 63,116.48 : x
  2. Step 2: Convert to fraction form
    108,437.12/149,638.44 = 63,116.48/x
  3. Step 3: Cross multiply
    108,437.12x = 149,638.44 × 63,116.48
  4. Step 4: Simplify right side
    108,437.12x = 9,444,651,605.49
  5. Step 5: Solve for x
    x = 9,444,651,605.49/108,437.12
  6. Step 6: Final answer
    x = 87,097.96

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1.5x scale

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.