Home / 74,684.43-111,909.96-43,113.87

Finding the Fourth Proportional to 74,684.43, 111,909.96 and 43,113.87

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Solution

The fourth proportional to 74,684.43, 111,909.96 and 43,113.87 is: 64,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,684.43 : 111,909.96 = 43,113.87 : x
  2. Step 2: Convert to fraction form
    74,684.43/111,909.96 = 43,113.87/x
  3. Step 3: Cross multiply
    74,684.43x = 111,909.96 × 43,113.87
  4. Step 4: Simplify right side
    74,684.43x = 4,824,871,467.15
  5. Step 5: Solve for x
    x = 4,824,871,467.15/74,684.43
  6. Step 6: Final answer
    x = 64,603.45

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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.