Home / 90,940.14-125,497.63-52,707.10

Finding the Fourth Proportional to 90,940.14, 125,497.63 and 52,707.10

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Solution

The fourth proportional to 90,940.14, 125,497.63 and 52,707.10 is: 72,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940.14 : 125,497.63 = 52,707.10 : x
  2. Step 2: Convert to fraction form
    90,940.14/125,497.63 = 52,707.10/x
  3. Step 3: Cross multiply
    90,940.14x = 125,497.63 × 52,707.10
  4. Step 4: Simplify right side
    90,940.14x = 6,614,616,134.17
  5. Step 5: Solve for x
    x = 6,614,616,134.17/90,940.14
  6. Step 6: Final answer
    x = 72,735.94

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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.