Home / 107,529.47-148,374.41-61,581.96

Finding the Fourth Proportional to 107,529.47, 148,374.41 and 61,581.96

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Solution

The fourth proportional to 107,529.47, 148,374.41 and 61,581.96 is: 84,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,529.47 : 148,374.41 = 61,581.96 : x
  2. Step 2: Convert to fraction form
    107,529.47/148,374.41 = 61,581.96/x
  3. Step 3: Cross multiply
    107,529.47x = 148,374.41 × 61,581.96
  4. Step 4: Simplify right side
    107,529.47x = 9,137,186,673.73
  5. Step 5: Solve for x
    x = 9,137,186,673.73/107,529.47
  6. Step 6: Final answer
    x = 84,973.79

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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.