Home / 60,515.15-90,773.37-18,402.08

Finding the Fourth Proportional to 60,515.15, 90,773.37 and 18,402.08

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Solution

The fourth proportional to 60,515.15, 90,773.37 and 18,402.08 is: 27,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.15 : 90,773.37 = 18,402.08 : x
  2. Step 2: Convert to fraction form
    60,515.15/90,773.37 = 18,402.08/x
  3. Step 3: Cross multiply
    60,515.15x = 90,773.37 × 18,402.08
  4. Step 4: Simplify right side
    60,515.15x = 1,670,418,816.61
  5. Step 5: Solve for x
    x = 1,670,418,816.61/60,515.15
  6. Step 6: Final answer
    x = 27,603.32

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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.