Home / 106,281.23-159,417.22-39,721.93

Finding the Fourth Proportional to 106,281.23, 159,417.22 and 39,721.93

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Solution

The fourth proportional to 106,281.23, 159,417.22 and 39,721.93 is: 59,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,281.23 : 159,417.22 = 39,721.93 : x
  2. Step 2: Convert to fraction form
    106,281.23/159,417.22 = 39,721.93/x
  3. Step 3: Cross multiply
    106,281.23x = 159,417.22 × 39,721.93
  4. Step 4: Simplify right side
    106,281.23x = 6,332,359,653.63
  5. Step 5: Solve for x
    x = 6,332,359,653.63/106,281.23
  6. Step 6: Final answer
    x = 59,581.17

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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.