Home / 70,753.28-97,639.74-38,924.18

Finding the Fourth Proportional to 70,753.28, 97,639.74 and 38,924.18

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Solution

The fourth proportional to 70,753.28, 97,639.74 and 38,924.18 is: 53,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,753.28 : 97,639.74 = 38,924.18 : x
  2. Step 2: Convert to fraction form
    70,753.28/97,639.74 = 38,924.18/x
  3. Step 3: Cross multiply
    70,753.28x = 97,639.74 × 38,924.18
  4. Step 4: Simplify right side
    70,753.28x = 3,800,546,814.91
  5. Step 5: Solve for x
    x = 3,800,546,814.91/70,753.28
  6. Step 6: Final answer
    x = 53,715.49

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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.