Home / 107,973.24-149,005.04-62,653.72

Finding the Fourth Proportional to 107,973.24, 149,005.04 and 62,653.72

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Solution

The fourth proportional to 107,973.24, 149,005.04 and 62,653.72 is: 86,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,973.24 : 149,005.04 = 62,653.72 : x
  2. Step 2: Convert to fraction form
    107,973.24/149,005.04 = 62,653.72/x
  3. Step 3: Cross multiply
    107,973.24x = 149,005.04 × 62,653.72
  4. Step 4: Simplify right side
    107,973.24x = 9,335,720,054.75
  5. Step 5: Solve for x
    x = 9,335,720,054.75/107,973.24
  6. Step 6: Final answer
    x = 86,463.28

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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.