Home / 70,073.28-96,748.32-53,911.84

Finding the Fourth Proportional to 70,073.28, 96,748.32 and 53,911.84

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Solution

The fourth proportional to 70,073.28, 96,748.32 and 53,911.84 is: 74,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,073.28 : 96,748.32 = 53,911.84 : x
  2. Step 2: Convert to fraction form
    70,073.28/96,748.32 = 53,911.84/x
  3. Step 3: Cross multiply
    70,073.28x = 96,748.32 × 53,911.84
  4. Step 4: Simplify right side
    70,073.28x = 5,215,879,948.11
  5. Step 5: Solve for x
    x = 5,215,879,948.11/70,073.28
  6. Step 6: Final answer
    x = 74,434.65

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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.