Home / 85,295.16-117,643.86-62,627.04

Finding the Fourth Proportional to 85,295.16, 117,643.86 and 62,627.04

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Solution

The fourth proportional to 85,295.16, 117,643.86 and 62,627.04 is: 86,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,295.16 : 117,643.86 = 62,627.04 : x
  2. Step 2: Convert to fraction form
    85,295.16/117,643.86 = 62,627.04/x
  3. Step 3: Cross multiply
    85,295.16x = 117,643.86 × 62,627.04
  4. Step 4: Simplify right side
    85,295.16x = 7,367,686,725.97
  5. Step 5: Solve for x
    x = 7,367,686,725.97/85,295.16
  6. Step 6: Final answer
    x = 86,378.72

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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.