Home / 69,030.62-103,410.60-35,772.50

Finding the Fourth Proportional to 69,030.62, 103,410.60 and 35,772.50

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Solution

The fourth proportional to 69,030.62, 103,410.60 and 35,772.50 is: 53,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030.62 : 103,410.60 = 35,772.50 : x
  2. Step 2: Convert to fraction form
    69,030.62/103,410.60 = 35,772.50/x
  3. Step 3: Cross multiply
    69,030.62x = 103,410.60 × 35,772.50
  4. Step 4: Simplify right side
    69,030.62x = 3,699,255,688.50
  5. Step 5: Solve for x
    x = 3,699,255,688.50/69,030.62
  6. Step 6: Final answer
    x = 53,588.62

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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.