Home / 70,282.05-96,989.95-38,450.25

Finding the Fourth Proportional to 70,282.05, 96,989.95 and 38,450.25

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Solution

The fourth proportional to 70,282.05, 96,989.95 and 38,450.25 is: 53,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.05 : 96,989.95 = 38,450.25 : x
  2. Step 2: Convert to fraction form
    70,282.05/96,989.95 = 38,450.25/x
  3. Step 3: Cross multiply
    70,282.05x = 96,989.95 × 38,450.25
  4. Step 4: Simplify right side
    70,282.05x = 3,729,287,632.74
  5. Step 5: Solve for x
    x = 3,729,287,632.74/70,282.05
  6. Step 6: Final answer
    x = 53,061.74

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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.