Home / 64,848.80-89,511.33-38,000.04

Finding the Fourth Proportional to 64,848.80, 89,511.33 and 38,000.04

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Solution

The fourth proportional to 64,848.80, 89,511.33 and 38,000.04 is: 52,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,848.80 : 89,511.33 = 38,000.04 : x
  2. Step 2: Convert to fraction form
    64,848.80/89,511.33 = 38,000.04/x
  3. Step 3: Cross multiply
    64,848.80x = 89,511.33 × 38,000.04
  4. Step 4: Simplify right side
    64,848.80x = 3,401,433,713.54
  5. Step 5: Solve for x
    x = 3,401,433,713.54/64,848.80
  6. Step 6: Final answer
    x = 52,451.76

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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.