Home / 103,657.14-155,529.59-61,617.60

Finding the Fourth Proportional to 103,657.14, 155,529.59 and 61,617.60

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Solution

The fourth proportional to 103,657.14, 155,529.59 and 61,617.60 is: 92,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657.14 : 155,529.59 = 61,617.60 : x
  2. Step 2: Convert to fraction form
    103,657.14/155,529.59 = 61,617.60/x
  3. Step 3: Cross multiply
    103,657.14x = 155,529.59 × 61,617.60
  4. Step 4: Simplify right side
    103,657.14x = 9,583,359,756.70
  5. Step 5: Solve for x
    x = 9,583,359,756.70/103,657.14
  6. Step 6: Final answer
    x = 92,452.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.