Home / 51,718.19-77,507.22-26,775.76

Finding the Fourth Proportional to 51,718.19, 77,507.22 and 26,775.76

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Solution

The fourth proportional to 51,718.19, 77,507.22 and 26,775.76 is: 40,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.19 : 77,507.22 = 26,775.76 : x
  2. Step 2: Convert to fraction form
    51,718.19/77,507.22 = 26,775.76/x
  3. Step 3: Cross multiply
    51,718.19x = 77,507.22 × 26,775.76
  4. Step 4: Simplify right side
    51,718.19x = 2,075,314,720.99
  5. Step 5: Solve for x
    x = 2,075,314,720.99/51,718.19
  6. Step 6: Final answer
    x = 40,127.37

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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.