Home / 77,438.90-116,159.16-33,037.94

Finding the Fourth Proportional to 77,438.90, 116,159.16 and 33,037.94

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Solution

The fourth proportional to 77,438.90, 116,159.16 and 33,037.94 is: 49,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,438.90 : 116,159.16 = 33,037.94 : x
  2. Step 2: Convert to fraction form
    77,438.90/116,159.16 = 33,037.94/x
  3. Step 3: Cross multiply
    77,438.90x = 116,159.16 × 33,037.94
  4. Step 4: Simplify right side
    77,438.90x = 3,837,659,358.53
  5. Step 5: Solve for x
    x = 3,837,659,358.53/77,438.90
  6. Step 6: Final answer
    x = 49,557.26

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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.