Home / 90,652.15-125,097.78-52,926.40

Finding the Fourth Proportional to 90,652.15, 125,097.78 and 52,926.40

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Solution

The fourth proportional to 90,652.15, 125,097.78 and 52,926.40 is: 73,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,652.15 : 125,097.78 = 52,926.40 : x
  2. Step 2: Convert to fraction form
    90,652.15/125,097.78 = 52,926.40/x
  3. Step 3: Cross multiply
    90,652.15x = 125,097.78 × 52,926.40
  4. Step 4: Simplify right side
    90,652.15x = 6,620,975,143.39
  5. Step 5: Solve for x
    x = 6,620,975,143.39/90,652.15
  6. Step 6: Final answer
    x = 73,037.16

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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.