Home / 70,150.29-96,809.49-38,319.72

Finding the Fourth Proportional to 70,150.29, 96,809.49 and 38,319.72

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Solution

The fourth proportional to 70,150.29, 96,809.49 and 38,319.72 is: 52,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,150.29 : 96,809.49 = 38,319.72 : x
  2. Step 2: Convert to fraction form
    70,150.29/96,809.49 = 38,319.72/x
  3. Step 3: Cross multiply
    70,150.29x = 96,809.49 × 38,319.72
  4. Step 4: Simplify right side
    70,150.29x = 3,709,712,550.14
  5. Step 5: Solve for x
    x = 3,709,712,550.14/70,150.29
  6. Step 6: Final answer
    x = 52,882.36

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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.