Home / 70,106.14-96,752-39,892.73

Finding the Fourth Proportional to 70,106.14, 96,752 and 39,892.73

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Solution

The fourth proportional to 70,106.14, 96,752 and 39,892.73 is: 55,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,106.14 : 96,752 = 39,892.73 : x
  2. Step 2: Convert to fraction form
    70,106.14/96,752 = 39,892.73/x
  3. Step 3: Cross multiply
    70,106.14x = 96,752 × 39,892.73
  4. Step 4: Simplify right side
    70,106.14x = 3,859,701,412.96
  5. Step 5: Solve for x
    x = 3,859,701,412.96/70,106.14
  6. Step 6: Final answer
    x = 55,055.11

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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.