Home / 90,945.83-125,505.38-52,712.82

Finding the Fourth Proportional to 90,945.83, 125,505.38 and 52,712.82

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Solution

The fourth proportional to 90,945.83, 125,505.38 and 52,712.82 is: 72,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,945.83 : 125,505.38 = 52,712.82 : x
  2. Step 2: Convert to fraction form
    90,945.83/125,505.38 = 52,712.82/x
  3. Step 3: Cross multiply
    90,945.83x = 125,505.38 × 52,712.82
  4. Step 4: Simplify right side
    90,945.83x = 6,615,742,636.75
  5. Step 5: Solve for x
    x = 6,615,742,636.75/90,945.83
  6. Step 6: Final answer
    x = 72,743.77

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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.