Home / 74,780.64-103,093.92-59,724

Finding the Fourth Proportional to 74,780.64, 103,093.92 and 59,724

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Solution

The fourth proportional to 74,780.64, 103,093.92 and 59,724 is: 82,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,780.64 : 103,093.92 = 59,724 : x
  2. Step 2: Convert to fraction form
    74,780.64/103,093.92 = 59,724/x
  3. Step 3: Cross multiply
    74,780.64x = 103,093.92 × 59,724
  4. Step 4: Simplify right side
    74,780.64x = 6,157,181,278.08
  5. Step 5: Solve for x
    x = 6,157,181,278.08/74,780.64
  6. Step 6: Final answer
    x = 82,336.57

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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.