Home / 85,585.14-118,114.86-49,772.63

Finding the Fourth Proportional to 85,585.14, 118,114.86 and 49,772.63

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Solution

The fourth proportional to 85,585.14, 118,114.86 and 49,772.63 is: 68,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,585.14 : 118,114.86 = 49,772.63 : x
  2. Step 2: Convert to fraction form
    85,585.14/118,114.86 = 49,772.63/x
  3. Step 3: Cross multiply
    85,585.14x = 118,114.86 × 49,772.63
  4. Step 4: Simplify right side
    85,585.14x = 5,878,887,224.28
  5. Step 5: Solve for x
    x = 5,878,887,224.28/85,585.14
  6. Step 6: Final answer
    x = 68,690.51

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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.