Home / 98,603.22-136,137.60-75,902.16

Finding the Fourth Proportional to 98,603.22, 136,137.60 and 75,902.16

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Solution

The fourth proportional to 98,603.22, 136,137.60 and 75,902.16 is: 104,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,603.22 : 136,137.60 = 75,902.16 : x
  2. Step 2: Convert to fraction form
    98,603.22/136,137.60 = 75,902.16/x
  3. Step 3: Cross multiply
    98,603.22x = 136,137.60 × 75,902.16
  4. Step 4: Simplify right side
    98,603.22x = 10,333,137,897.22
  5. Step 5: Solve for x
    x = 10,333,137,897.22/98,603.22
  6. Step 6: Final answer
    x = 104,795.14

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1.5x scale

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.