Home / 92,863.67-128,156.38-52,579.13

Finding the Fourth Proportional to 92,863.67, 128,156.38 and 52,579.13

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Solution

The fourth proportional to 92,863.67, 128,156.38 and 52,579.13 is: 72,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,863.67 : 128,156.38 = 52,579.13 : x
  2. Step 2: Convert to fraction form
    92,863.67/128,156.38 = 52,579.13/x
  3. Step 3: Cross multiply
    92,863.67x = 128,156.38 × 52,579.13
  4. Step 4: Simplify right side
    92,863.67x = 6,738,350,192.12
  5. Step 5: Solve for x
    x = 6,738,350,192.12/92,863.67
  6. Step 6: Final answer
    x = 72,561.75

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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.