Home / 99,165.36-136,848.42-53,843.34

Finding the Fourth Proportional to 99,165.36, 136,848.42 and 53,843.34

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Solution

The fourth proportional to 99,165.36, 136,848.42 and 53,843.34 is: 74,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.36 : 136,848.42 = 53,843.34 : x
  2. Step 2: Convert to fraction form
    99,165.36/136,848.42 = 53,843.34/x
  3. Step 3: Cross multiply
    99,165.36x = 136,848.42 × 53,843.34
  4. Step 4: Simplify right side
    99,165.36x = 7,368,376,006.52
  5. Step 5: Solve for x
    x = 7,368,376,006.52/99,165.36
  6. Step 6: Final answer
    x = 74,303.93

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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.