Home / 103,564.13-155,348.10-32,485.19

Finding the Fourth Proportional to 103,564.13, 155,348.10 and 32,485.19

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Solution

The fourth proportional to 103,564.13, 155,348.10 and 32,485.19 is: 48,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,564.13 : 155,348.10 = 32,485.19 : x
  2. Step 2: Convert to fraction form
    103,564.13/155,348.10 = 32,485.19/x
  3. Step 3: Cross multiply
    103,564.13x = 155,348.10 × 32,485.19
  4. Step 4: Simplify right side
    103,564.13x = 5,046,511,767.90
  5. Step 5: Solve for x
    x = 5,046,511,767.90/103,564.13
  6. Step 6: Final answer
    x = 48,728.38

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1.5x scale

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.