Home / 98,923.28-136,514.12-53,601.56

Finding the Fourth Proportional to 98,923.28, 136,514.12 and 53,601.56

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Solution

The fourth proportional to 98,923.28, 136,514.12 and 53,601.56 is: 73,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.28 : 136,514.12 = 53,601.56 : x
  2. Step 2: Convert to fraction form
    98,923.28/136,514.12 = 53,601.56/x
  3. Step 3: Cross multiply
    98,923.28x = 136,514.12 × 53,601.56
  4. Step 4: Simplify right side
    98,923.28x = 7,317,369,794.03
  5. Step 5: Solve for x
    x = 7,317,369,794.03/98,923.28
  6. Step 6: Final answer
    x = 73,970.15

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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.