Home / 106,608.53-147,128.40-61,301.24

Finding the Fourth Proportional to 106,608.53, 147,128.40 and 61,301.24

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Solution

The fourth proportional to 106,608.53, 147,128.40 and 61,301.24 is: 84,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,608.53 : 147,128.40 = 61,301.24 : x
  2. Step 2: Convert to fraction form
    106,608.53/147,128.40 = 61,301.24/x
  3. Step 3: Cross multiply
    106,608.53x = 147,128.40 × 61,301.24
  4. Step 4: Simplify right side
    106,608.53x = 9,019,152,623.57
  5. Step 5: Solve for x
    x = 9,019,152,623.57/106,608.53
  6. Step 6: Final answer
    x = 84,600.67

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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.