Home / 108,623.62-149,900.25-63,328.42

Finding the Fourth Proportional to 108,623.62, 149,900.25 and 63,328.42

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Solution

The fourth proportional to 108,623.62, 149,900.25 and 63,328.42 is: 87,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,623.62 : 149,900.25 = 63,328.42 : x
  2. Step 2: Convert to fraction form
    108,623.62/149,900.25 = 63,328.42/x
  3. Step 3: Cross multiply
    108,623.62x = 149,900.25 × 63,328.42
  4. Step 4: Simplify right side
    108,623.62x = 9,492,945,990.11
  5. Step 5: Solve for x
    x = 9,492,945,990.11/108,623.62
  6. Step 6: Final answer
    x = 87,393.02

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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.