Home / 92,863.28-128,159.24-52,584.14

Finding the Fourth Proportional to 92,863.28, 128,159.24 and 52,584.14

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Solution

The fourth proportional to 92,863.28, 128,159.24 and 52,584.14 is: 72,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,863.28 : 128,159.24 = 52,584.14 : x
  2. Step 2: Convert to fraction form
    92,863.28/128,159.24 = 52,584.14/x
  3. Step 3: Cross multiply
    92,863.28x = 128,159.24 × 52,584.14
  4. Step 4: Simplify right side
    92,863.28x = 6,739,143,418.45
  5. Step 5: Solve for x
    x = 6,739,143,418.45/92,863.28
  6. Step 6: Final answer
    x = 72,570.59

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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.