Home / 69,509.49-103,755.54-59,711.73

Finding the Fourth Proportional to 69,509.49, 103,755.54 and 59,711.73

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Solution

The fourth proportional to 69,509.49, 103,755.54 and 59,711.73 is: 89,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.49 : 103,755.54 = 59,711.73 : x
  2. Step 2: Convert to fraction form
    69,509.49/103,755.54 = 59,711.73/x
  3. Step 3: Cross multiply
    69,509.49x = 103,755.54 × 59,711.73
  4. Step 4: Simplify right side
    69,509.49x = 6,195,422,790.48
  5. Step 5: Solve for x
    x = 6,195,422,790.48/69,509.49
  6. Step 6: Final answer
    x = 89,130.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.