Home / 106,342.04-159,527.64-47,176.40

Finding the Fourth Proportional to 106,342.04, 159,527.64 and 47,176.40

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Solution

The fourth proportional to 106,342.04, 159,527.64 and 47,176.40 is: 70,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,342.04 : 159,527.64 = 47,176.40 : x
  2. Step 2: Convert to fraction form
    106,342.04/159,527.64 = 47,176.40/x
  3. Step 3: Cross multiply
    106,342.04x = 159,527.64 × 47,176.40
  4. Step 4: Simplify right side
    106,342.04x = 7,525,939,755.70
  5. Step 5: Solve for x
    x = 7,525,939,755.70/106,342.04
  6. Step 6: Final answer
    x = 70,771.07

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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.