Home / 56,343.79-84,402.69-26,790.13

Finding the Fourth Proportional to 56,343.79, 84,402.69 and 26,790.13

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Solution

The fourth proportional to 56,343.79, 84,402.69 and 26,790.13 is: 40,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,343.79 : 84,402.69 = 26,790.13 : x
  2. Step 2: Convert to fraction form
    56,343.79/84,402.69 = 26,790.13/x
  3. Step 3: Cross multiply
    56,343.79x = 84,402.69 × 26,790.13
  4. Step 4: Simplify right side
    56,343.79x = 2,261,159,037.45
  5. Step 5: Solve for x
    x = 2,261,159,037.45/56,343.79
  6. Step 6: Final answer
    x = 40,131.47

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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.