Home / 99,150.27-136,829.75-53,830.16

Finding the Fourth Proportional to 99,150.27, 136,829.75 and 53,830.16

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Solution

The fourth proportional to 99,150.27, 136,829.75 and 53,830.16 is: 74,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.27 : 136,829.75 = 53,830.16 : x
  2. Step 2: Convert to fraction form
    99,150.27/136,829.75 = 53,830.16/x
  3. Step 3: Cross multiply
    99,150.27x = 136,829.75 × 53,830.16
  4. Step 4: Simplify right side
    99,150.27x = 7,365,567,335.26
  5. Step 5: Solve for x
    x = 7,365,567,335.26/99,150.27
  6. Step 6: Final answer
    x = 74,286.91

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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.