Home / 70,213.58-96,896.85-38,384.18

Finding the Fourth Proportional to 70,213.58, 96,896.85 and 38,384.18

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Solution

The fourth proportional to 70,213.58, 96,896.85 and 38,384.18 is: 52,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,213.58 : 96,896.85 = 38,384.18 : x
  2. Step 2: Convert to fraction form
    70,213.58/96,896.85 = 38,384.18/x
  3. Step 3: Cross multiply
    70,213.58x = 96,896.85 × 38,384.18
  4. Step 4: Simplify right side
    70,213.58x = 3,719,306,131.83
  5. Step 5: Solve for x
    x = 3,719,306,131.83/70,213.58
  6. Step 6: Final answer
    x = 52,971.32

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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.