Home / 70,066.38-105,103.20-17,476.32

Finding the Fourth Proportional to 70,066.38, 105,103.20 and 17,476.32

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Solution

The fourth proportional to 70,066.38, 105,103.20 and 17,476.32 is: 26,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,066.38 : 105,103.20 = 17,476.32 : x
  2. Step 2: Convert to fraction form
    70,066.38/105,103.20 = 17,476.32/x
  3. Step 3: Cross multiply
    70,066.38x = 105,103.20 × 17,476.32
  4. Step 4: Simplify right side
    70,066.38x = 1,836,817,156.22
  5. Step 5: Solve for x
    x = 1,836,817,156.22/70,066.38
  6. Step 6: Final answer
    x = 26,215.39

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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.