Home / 70,635.48-97,477.38-38,803.56

Finding the Fourth Proportional to 70,635.48, 97,477.38 and 38,803.56

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Solution

The fourth proportional to 70,635.48, 97,477.38 and 38,803.56 is: 53,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,635.48 : 97,477.38 = 38,803.56 : x
  2. Step 2: Convert to fraction form
    70,635.48/97,477.38 = 38,803.56/x
  3. Step 3: Cross multiply
    70,635.48x = 97,477.38 × 38,803.56
  4. Step 4: Simplify right side
    70,635.48x = 3,782,469,363.47
  5. Step 5: Solve for x
    x = 3,782,469,363.47/70,635.48
  6. Step 6: Final answer
    x = 53,549.14

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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.