Home / 102,617.78-141,636.14-60,189.98

Finding the Fourth Proportional to 102,617.78, 141,636.14 and 60,189.98

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Solution

The fourth proportional to 102,617.78, 141,636.14 and 60,189.98 is: 83,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,617.78 : 141,636.14 = 60,189.98 : x
  2. Step 2: Convert to fraction form
    102,617.78/141,636.14 = 60,189.98/x
  3. Step 3: Cross multiply
    102,617.78x = 141,636.14 × 60,189.98
  4. Step 4: Simplify right side
    102,617.78x = 8,525,075,424.75
  5. Step 5: Solve for x
    x = 8,525,075,424.75/102,617.78
  6. Step 6: Final answer
    x = 83,076.01

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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.