Home / 45,918.79-68,812.57-26,156.55

Finding the Fourth Proportional to 45,918.79, 68,812.57 and 26,156.55

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Solution

The fourth proportional to 45,918.79, 68,812.57 and 26,156.55 is: 39,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.79 : 68,812.57 = 26,156.55 : x
  2. Step 2: Convert to fraction form
    45,918.79/68,812.57 = 26,156.55/x
  3. Step 3: Cross multiply
    45,918.79x = 68,812.57 × 26,156.55
  4. Step 4: Simplify right side
    45,918.79x = 1,799,899,427.83
  5. Step 5: Solve for x
    x = 1,799,899,427.83/45,918.79
  6. Step 6: Final answer
    x = 39,197.45

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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.