Home / 45,483.15-68,224.72-13,891.93

Finding the Fourth Proportional to 45,483.15, 68,224.72 and 13,891.93

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Solution

The fourth proportional to 45,483.15, 68,224.72 and 13,891.93 is: 20,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,483.15 : 68,224.72 = 13,891.93 : x
  2. Step 2: Convert to fraction form
    45,483.15/68,224.72 = 13,891.93/x
  3. Step 3: Cross multiply
    45,483.15x = 68,224.72 × 13,891.93
  4. Step 4: Simplify right side
    45,483.15x = 947,773,034.51
  5. Step 5: Solve for x
    x = 947,773,034.51/45,483.15
  6. Step 6: Final answer
    x = 20,837.90

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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.