Home / 74,998.89-103,521.51-43,188.98

Finding the Fourth Proportional to 74,998.89, 103,521.51 and 43,188.98

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Solution

The fourth proportional to 74,998.89, 103,521.51 and 43,188.98 is: 59,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,998.89 : 103,521.51 = 43,188.98 : x
  2. Step 2: Convert to fraction form
    74,998.89/103,521.51 = 43,188.98/x
  3. Step 3: Cross multiply
    74,998.89x = 103,521.51 × 43,188.98
  4. Step 4: Simplify right side
    74,998.89x = 4,470,987,907.35
  5. Step 5: Solve for x
    x = 4,470,987,907.35/74,998.89
  6. Step 6: Final answer
    x = 59,614.05

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1.5x scale

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.