Home / 103,665.40-155,498.82-44,451.16

Finding the Fourth Proportional to 103,665.40, 155,498.82 and 44,451.16

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Solution

The fourth proportional to 103,665.40, 155,498.82 and 44,451.16 is: 66,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.40 : 155,498.82 = 44,451.16 : x
  2. Step 2: Convert to fraction form
    103,665.40/155,498.82 = 44,451.16/x
  3. Step 3: Cross multiply
    103,665.40x = 155,498.82 × 44,451.16
  4. Step 4: Simplify right side
    103,665.40x = 6,912,102,927.63
  5. Step 5: Solve for x
    x = 6,912,102,927.63/103,665.40
  6. Step 6: Final answer
    x = 66,677.05

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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.