Home / 51,908.98-77,810.27-39,402.53

Finding the Fourth Proportional to 51,908.98, 77,810.27 and 39,402.53

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Solution

The fourth proportional to 51,908.98, 77,810.27 and 39,402.53 is: 59,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,908.98 : 77,810.27 = 39,402.53 : x
  2. Step 2: Convert to fraction form
    51,908.98/77,810.27 = 39,402.53/x
  3. Step 3: Cross multiply
    51,908.98x = 77,810.27 × 39,402.53
  4. Step 4: Simplify right side
    51,908.98x = 3,065,921,206.51
  5. Step 5: Solve for x
    x = 3,065,921,206.51/51,908.98
  6. Step 6: Final answer
    x = 59,063.41

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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.