Home / 99,106.82-136,768.41-53,785.19

Finding the Fourth Proportional to 99,106.82, 136,768.41 and 53,785.19

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Solution

The fourth proportional to 99,106.82, 136,768.41 and 53,785.19 is: 74,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,106.82 : 136,768.41 = 53,785.19 : x
  2. Step 2: Convert to fraction form
    99,106.82/136,768.41 = 53,785.19/x
  3. Step 3: Cross multiply
    99,106.82x = 136,768.41 × 53,785.19
  4. Step 4: Simplify right side
    99,106.82x = 7,356,115,259.77
  5. Step 5: Solve for x
    x = 7,356,115,259.77/99,106.82
  6. Step 6: Final answer
    x = 74,224.11

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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.