Home / 99,120.27-136,786.10-53,798.24

Finding the Fourth Proportional to 99,120.27, 136,786.10 and 53,798.24

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Solution

The fourth proportional to 99,120.27, 136,786.10 and 53,798.24 is: 74,241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,120.27 : 136,786.10 = 53,798.24 : x
  2. Step 2: Convert to fraction form
    99,120.27/136,786.10 = 53,798.24/x
  3. Step 3: Cross multiply
    99,120.27x = 136,786.10 × 53,798.24
  4. Step 4: Simplify right side
    99,120.27x = 7,358,851,436.46
  5. Step 5: Solve for x
    x = 7,358,851,436.46/99,120.27
  6. Step 6: Final answer
    x = 74,241.64

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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.