Home / 92,891.14-128,197.68-52,612.07

Finding the Fourth Proportional to 92,891.14, 128,197.68 and 52,612.07

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Solution

The fourth proportional to 92,891.14, 128,197.68 and 52,612.07 is: 72,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,891.14 : 128,197.68 = 52,612.07 : x
  2. Step 2: Convert to fraction form
    92,891.14/128,197.68 = 52,612.07/x
  3. Step 3: Cross multiply
    92,891.14x = 128,197.68 × 52,612.07
  4. Step 4: Simplify right side
    92,891.14x = 6,744,745,314.00
  5. Step 5: Solve for x
    x = 6,744,745,314.00/92,891.14
  6. Step 6: Final answer
    x = 72,609.13

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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.