Home / 124,248.36-171,474.66-76,529.64

Finding the Fourth Proportional to 124,248.36, 171,474.66 and 76,529.64

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Solution

The fourth proportional to 124,248.36, 171,474.66 and 76,529.64 is: 105,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,248.36 : 171,474.66 = 76,529.64 : x
  2. Step 2: Convert to fraction form
    124,248.36/171,474.66 = 76,529.64/x
  3. Step 3: Cross multiply
    124,248.36x = 171,474.66 × 76,529.64
  4. Step 4: Simplify right side
    124,248.36x = 13,122,893,998.92
  5. Step 5: Solve for x
    x = 13,122,893,998.92/124,248.36
  6. Step 6: Final answer
    x = 105,618.25

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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.