Home / 115,849.04-159,912.84-70,506.32

Finding the Fourth Proportional to 115,849.04, 159,912.84 and 70,506.32

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Solution

The fourth proportional to 115,849.04, 159,912.84 and 70,506.32 is: 97,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,849.04 : 159,912.84 = 70,506.32 : x
  2. Step 2: Convert to fraction form
    115,849.04/159,912.84 = 70,506.32/x
  3. Step 3: Cross multiply
    115,849.04x = 159,912.84 × 70,506.32
  4. Step 4: Simplify right side
    115,849.04x = 11,274,865,869.15
  5. Step 5: Solve for x
    x = 11,274,865,869.15/115,849.04
  6. Step 6: Final answer
    x = 97,323.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.