Home / 51,143.84-70,600.32-34,386.56

Finding the Fourth Proportional to 51,143.84, 70,600.32 and 34,386.56

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Solution

The fourth proportional to 51,143.84, 70,600.32 and 34,386.56 is: 47,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.84 : 70,600.32 = 34,386.56 : x
  2. Step 2: Convert to fraction form
    51,143.84/70,600.32 = 34,386.56/x
  3. Step 3: Cross multiply
    51,143.84x = 70,600.32 × 34,386.56
  4. Step 4: Simplify right side
    51,143.84x = 2,427,702,139.70
  5. Step 5: Solve for x
    x = 2,427,702,139.70/51,143.84
  6. Step 6: Final answer
    x = 47,468.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.