Home / 85,487.16-117,963.66-58,652.28

Finding the Fourth Proportional to 85,487.16, 117,963.66 and 58,652.28

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Solution

The fourth proportional to 85,487.16, 117,963.66 and 58,652.28 is: 80,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,487.16 : 117,963.66 = 58,652.28 : x
  2. Step 2: Convert to fraction form
    85,487.16/117,963.66 = 58,652.28/x
  3. Step 3: Cross multiply
    85,487.16x = 117,963.66 × 58,652.28
  4. Step 4: Simplify right side
    85,487.16x = 6,918,837,616.14
  5. Step 5: Solve for x
    x = 6,918,837,616.14/85,487.16
  6. Step 6: Final answer
    x = 80,934.23

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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.