Home / 70,155.24-96,689.04-53,118.68

Finding the Fourth Proportional to 70,155.24, 96,689.04 and 53,118.68

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Solution

The fourth proportional to 70,155.24, 96,689.04 and 53,118.68 is: 73,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155.24 : 96,689.04 = 53,118.68 : x
  2. Step 2: Convert to fraction form
    70,155.24/96,689.04 = 53,118.68/x
  3. Step 3: Cross multiply
    70,155.24x = 96,689.04 × 53,118.68
  4. Step 4: Simplify right side
    70,155.24x = 5,135,994,175.27
  5. Step 5: Solve for x
    x = 5,135,994,175.27/70,155.24
  6. Step 6: Final answer
    x = 73,208.99

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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.