Home / 98,923.74-136,515.30-53,601.75

Finding the Fourth Proportional to 98,923.74, 136,515.30 and 53,601.75

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Solution

The fourth proportional to 98,923.74, 136,515.30 and 53,601.75 is: 73,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.74 : 136,515.30 = 53,601.75 : x
  2. Step 2: Convert to fraction form
    98,923.74/136,515.30 = 53,601.75/x
  3. Step 3: Cross multiply
    98,923.74x = 136,515.30 × 53,601.75
  4. Step 4: Simplify right side
    98,923.74x = 7,317,458,981.78
  5. Step 5: Solve for x
    x = 7,317,458,981.78/98,923.74
  6. Step 6: Final answer
    x = 73,970.71

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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.