Home / 70,280.05-96,987.36-38,449.48

Finding the Fourth Proportional to 70,280.05, 96,987.36 and 38,449.48

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Solution

The fourth proportional to 70,280.05, 96,987.36 and 38,449.48 is: 53,060.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.05 : 96,987.36 = 38,449.48 : x
  2. Step 2: Convert to fraction form
    70,280.05/96,987.36 = 38,449.48/x
  3. Step 3: Cross multiply
    70,280.05x = 96,987.36 × 38,449.48
  4. Step 4: Simplify right side
    70,280.05x = 3,729,113,558.57
  5. Step 5: Solve for x
    x = 3,729,113,558.57/70,280.05
  6. Step 6: Final answer
    x = 53,060.77

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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.