Home / 70,145.05-96,799.53-38,313.94

Finding the Fourth Proportional to 70,145.05, 96,799.53 and 38,313.94

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Solution

The fourth proportional to 70,145.05, 96,799.53 and 38,313.94 is: 52,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145.05 : 96,799.53 = 38,313.94 : x
  2. Step 2: Convert to fraction form
    70,145.05/96,799.53 = 38,313.94/x
  3. Step 3: Cross multiply
    70,145.05x = 96,799.53 × 38,313.94
  4. Step 4: Simplify right side
    70,145.05x = 3,708,771,384.45
  5. Step 5: Solve for x
    x = 3,708,771,384.45/70,145.05
  6. Step 6: Final answer
    x = 52,872.89

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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.