Home / 90,707.29-125,177.56-49,873.14

Finding the Fourth Proportional to 90,707.29, 125,177.56 and 49,873.14

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Solution

The fourth proportional to 90,707.29, 125,177.56 and 49,873.14 is: 68,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,707.29 : 125,177.56 = 49,873.14 : x
  2. Step 2: Convert to fraction form
    90,707.29/125,177.56 = 49,873.14/x
  3. Step 3: Cross multiply
    90,707.29x = 125,177.56 × 49,873.14
  4. Step 4: Simplify right side
    90,707.29x = 6,242,997,725.37
  5. Step 5: Solve for x
    x = 6,242,997,725.37/90,707.29
  6. Step 6: Final answer
    x = 68,825.76

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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.