Home / 105,177.44-145,157.64-59,866.58

Finding the Fourth Proportional to 105,177.44, 145,157.64 and 59,866.58

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Solution

The fourth proportional to 105,177.44, 145,157.64 and 59,866.58 is: 82,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,177.44 : 145,157.64 = 59,866.58 : x
  2. Step 2: Convert to fraction form
    105,177.44/145,157.64 = 59,866.58/x
  3. Step 3: Cross multiply
    105,177.44x = 145,157.64 × 59,866.58
  4. Step 4: Simplify right side
    105,177.44x = 8,690,091,467.67
  5. Step 5: Solve for x
    x = 8,690,091,467.67/105,177.44
  6. Step 6: Final answer
    x = 82,623.15

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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.