Home / 99,122.03-136,784.73-53,799.04

Finding the Fourth Proportional to 99,122.03, 136,784.73 and 53,799.04

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Solution

The fourth proportional to 99,122.03, 136,784.73 and 53,799.04 is: 74,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,122.03 : 136,784.73 = 53,799.04 : x
  2. Step 2: Convert to fraction form
    99,122.03/136,784.73 = 53,799.04/x
  3. Step 3: Cross multiply
    99,122.03x = 136,784.73 × 53,799.04
  4. Step 4: Simplify right side
    99,122.03x = 7,358,886,480.27
  5. Step 5: Solve for x
    x = 7,358,886,480.27/99,122.03
  6. Step 6: Final answer
    x = 74,240.68

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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.