Home / 45,783.03-68,666.67-13,761.62

Finding the Fourth Proportional to 45,783.03, 68,666.67 and 13,761.62

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Solution

The fourth proportional to 45,783.03, 68,666.67 and 13,761.62 is: 20,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.03 : 68,666.67 = 13,761.62 : x
  2. Step 2: Convert to fraction form
    45,783.03/68,666.67 = 13,761.62/x
  3. Step 3: Cross multiply
    45,783.03x = 68,666.67 × 13,761.62
  4. Step 4: Simplify right side
    45,783.03x = 944,964,275.87
  5. Step 5: Solve for x
    x = 944,964,275.87/45,783.03
  6. Step 6: Final answer
    x = 20,640.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.