Home / 115,555.81-173,359.64-38,624.58

Finding the Fourth Proportional to 115,555.81, 173,359.64 and 38,624.58

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Solution

The fourth proportional to 115,555.81, 173,359.64 and 38,624.58 is: 57,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,555.81 : 173,359.64 = 38,624.58 : x
  2. Step 2: Convert to fraction form
    115,555.81/173,359.64 = 38,624.58/x
  3. Step 3: Cross multiply
    115,555.81x = 173,359.64 × 38,624.58
  4. Step 4: Simplify right side
    115,555.81x = 6,695,943,283.95
  5. Step 5: Solve for x
    x = 6,695,943,283.95/115,555.81
  6. Step 6: Final answer
    x = 57,945.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.