Home / 45,083.18-67,637.73-13,495.61

Finding the Fourth Proportional to 45,083.18, 67,637.73 and 13,495.61

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Solution

The fourth proportional to 45,083.18, 67,637.73 and 13,495.61 is: 20,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.18 : 67,637.73 = 13,495.61 : x
  2. Step 2: Convert to fraction form
    45,083.18/67,637.73 = 13,495.61/x
  3. Step 3: Cross multiply
    45,083.18x = 67,637.73 × 13,495.61
  4. Step 4: Simplify right side
    45,083.18x = 912,812,645.07
  5. Step 5: Solve for x
    x = 912,812,645.07/45,083.18
  6. Step 6: Final answer
    x = 20,247.30

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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.