Home / 69,109.66-103,556.49-48,090.77

Finding the Fourth Proportional to 69,109.66, 103,556.49 and 48,090.77

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Solution

The fourth proportional to 69,109.66, 103,556.49 and 48,090.77 is: 72,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.66 : 103,556.49 = 48,090.77 : x
  2. Step 2: Convert to fraction form
    69,109.66/103,556.49 = 48,090.77/x
  3. Step 3: Cross multiply
    69,109.66x = 103,556.49 × 48,090.77
  4. Step 4: Simplify right side
    69,109.66x = 4,980,111,342.60
  5. Step 5: Solve for x
    x = 4,980,111,342.60/69,109.66
  6. Step 6: Final answer
    x = 72,061.00

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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.