Home / 98,868.03-136,438.29-53,546.55

Finding the Fourth Proportional to 98,868.03, 136,438.29 and 53,546.55

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Solution

The fourth proportional to 98,868.03, 136,438.29 and 53,546.55 is: 73,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.03 : 136,438.29 = 53,546.55 : x
  2. Step 2: Convert to fraction form
    98,868.03/136,438.29 = 53,546.55/x
  3. Step 3: Cross multiply
    98,868.03x = 136,438.29 × 53,546.55
  4. Step 4: Simplify right side
    98,868.03x = 7,305,799,717.40
  5. Step 5: Solve for x
    x = 7,305,799,717.40/98,868.03
  6. Step 6: Final answer
    x = 73,894.46

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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.