Home / 51,681.01-77,521.82-18,402.37

Finding the Fourth Proportional to 51,681.01, 77,521.82 and 18,402.37

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Solution

The fourth proportional to 51,681.01, 77,521.82 and 18,402.37 is: 27,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,681.01 : 77,521.82 = 18,402.37 : x
  2. Step 2: Convert to fraction form
    51,681.01/77,521.82 = 18,402.37/x
  3. Step 3: Cross multiply
    51,681.01x = 77,521.82 × 18,402.37
  4. Step 4: Simplify right side
    51,681.01x = 1,426,585,214.71
  5. Step 5: Solve for x
    x = 1,426,585,214.71/51,681.01
  6. Step 6: Final answer
    x = 27,603.66

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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.