Home / 64,998.24-89,698.17-38,141.20

Finding the Fourth Proportional to 64,998.24, 89,698.17 and 38,141.20

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Solution

The fourth proportional to 64,998.24, 89,698.17 and 38,141.20 is: 52,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.24 : 89,698.17 = 38,141.20 : x
  2. Step 2: Convert to fraction form
    64,998.24/89,698.17 = 38,141.20/x
  3. Step 3: Cross multiply
    64,998.24x = 89,698.17 × 38,141.20
  4. Step 4: Simplify right side
    64,998.24x = 3,421,195,841.60
  5. Step 5: Solve for x
    x = 3,421,195,841.60/64,998.24
  6. Step 6: Final answer
    x = 52,635.21

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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.