Home / 58,689.12-80,989.32-33,538.56

Finding the Fourth Proportional to 58,689.12, 80,989.32 and 33,538.56

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Solution

The fourth proportional to 58,689.12, 80,989.32 and 33,538.56 is: 46,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689.12 : 80,989.32 = 33,538.56 : x
  2. Step 2: Convert to fraction form
    58,689.12/80,989.32 = 33,538.56/x
  3. Step 3: Cross multiply
    58,689.12x = 80,989.32 × 33,538.56
  4. Step 4: Simplify right side
    58,689.12x = 2,716,265,168.18
  5. Step 5: Solve for x
    x = 2,716,265,168.18/58,689.12
  6. Step 6: Final answer
    x = 46,282.26

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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.