Home / 106,707.04-160,068.80-31,821.48

Finding the Fourth Proportional to 106,707.04, 160,068.80 and 31,821.48

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Solution

The fourth proportional to 106,707.04, 160,068.80 and 31,821.48 is: 47,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,707.04 : 160,068.80 = 31,821.48 : x
  2. Step 2: Convert to fraction form
    106,707.04/160,068.80 = 31,821.48/x
  3. Step 3: Cross multiply
    106,707.04x = 160,068.80 × 31,821.48
  4. Step 4: Simplify right side
    106,707.04x = 5,093,626,117.82
  5. Step 5: Solve for x
    x = 5,093,626,117.82/106,707.04
  6. Step 6: Final answer
    x = 47,734.68

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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.