Home / 119,574.45-179,386.97-39,607.89

Finding the Fourth Proportional to 119,574.45, 179,386.97 and 39,607.89

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Solution

The fourth proportional to 119,574.45, 179,386.97 and 39,607.89 is: 59,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,574.45 : 179,386.97 = 39,607.89 : x
  2. Step 2: Convert to fraction form
    119,574.45/179,386.97 = 39,607.89/x
  3. Step 3: Cross multiply
    119,574.45x = 179,386.97 × 39,607.89
  4. Step 4: Simplify right side
    119,574.45x = 7,105,138,801.51
  5. Step 5: Solve for x
    x = 7,105,138,801.51/119,574.45
  6. Step 6: Final answer
    x = 59,420.21

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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.