Home / 85,672.17-118,223.57-46,909.28

Finding the Fourth Proportional to 85,672.17, 118,223.57 and 46,909.28

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Solution

The fourth proportional to 85,672.17, 118,223.57 and 46,909.28 is: 64,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672.17 : 118,223.57 = 46,909.28 : x
  2. Step 2: Convert to fraction form
    85,672.17/118,223.57 = 46,909.28/x
  3. Step 3: Cross multiply
    85,672.17x = 118,223.57 × 46,909.28
  4. Step 4: Simplify right side
    85,672.17x = 5,545,782,960.56
  5. Step 5: Solve for x
    x = 5,545,782,960.56/85,672.17
  6. Step 6: Final answer
    x = 64,732.61

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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.