Home / 217,601.12-326,386.25-57,673.51

Finding the Fourth Proportional to 217,601.12, 326,386.25 and 57,673.51

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Solution

The fourth proportional to 217,601.12, 326,386.25 and 57,673.51 is: 86,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.12 : 326,386.25 = 57,673.51 : x
  2. Step 2: Convert to fraction form
    217,601.12/326,386.25 = 57,673.51/x
  3. Step 3: Cross multiply
    217,601.12x = 326,386.25 × 57,673.51
  4. Step 4: Simplify right side
    217,601.12x = 18,823,839,981.46
  5. Step 5: Solve for x
    x = 18,823,839,981.46/217,601.12
  6. Step 6: Final answer
    x = 86,506.17

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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.