Home / 106,243.04-159,364.80-47,062.72

Finding the Fourth Proportional to 106,243.04, 159,364.80 and 47,062.72

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Solution

The fourth proportional to 106,243.04, 159,364.80 and 47,062.72 is: 70,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,243.04 : 159,364.80 = 47,062.72 : x
  2. Step 2: Convert to fraction form
    106,243.04/159,364.80 = 47,062.72/x
  3. Step 3: Cross multiply
    106,243.04x = 159,364.80 × 47,062.72
  4. Step 4: Simplify right side
    106,243.04x = 7,500,140,960.26
  5. Step 5: Solve for x
    x = 7,500,140,960.26/106,243.04
  6. Step 6: Final answer
    x = 70,594.19

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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.