Home / 92,836.55-128,078.55-52,541.07

Finding the Fourth Proportional to 92,836.55, 128,078.55 and 52,541.07

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Solution

The fourth proportional to 92,836.55, 128,078.55 and 52,541.07 is: 72,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.55 : 128,078.55 = 52,541.07 : x
  2. Step 2: Convert to fraction form
    92,836.55/128,078.55 = 52,541.07/x
  3. Step 3: Cross multiply
    92,836.55x = 128,078.55 × 52,541.07
  4. Step 4: Simplify right side
    92,836.55x = 6,729,384,061.05
  5. Step 5: Solve for x
    x = 6,729,384,061.05/92,836.55
  6. Step 6: Final answer
    x = 72,486.37

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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.