Home / 109,989.26-151,785.18-59,688.26

Finding the Fourth Proportional to 109,989.26, 151,785.18 and 59,688.26

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Solution

The fourth proportional to 109,989.26, 151,785.18 and 59,688.26 is: 82,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,989.26 : 151,785.18 = 59,688.26 : x
  2. Step 2: Convert to fraction form
    109,989.26/151,785.18 = 59,688.26/x
  3. Step 3: Cross multiply
    109,989.26x = 151,785.18 × 59,688.26
  4. Step 4: Simplify right side
    109,989.26x = 9,059,792,529.06
  5. Step 5: Solve for x
    x = 9,059,792,529.06/109,989.26
  6. Step 6: Final answer
    x = 82,369.80

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1.5x scale

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.