Home / 89,946.06-134,918.88-36,660.21

Finding the Fourth Proportional to 89,946.06, 134,918.88 and 36,660.21

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Solution

The fourth proportional to 89,946.06, 134,918.88 and 36,660.21 is: 54,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,946.06 : 134,918.88 = 36,660.21 : x
  2. Step 2: Convert to fraction form
    89,946.06/134,918.88 = 36,660.21/x
  3. Step 3: Cross multiply
    89,946.06x = 134,918.88 × 36,660.21
  4. Step 4: Simplify right side
    89,946.06x = 4,946,154,473.76
  5. Step 5: Solve for x
    x = 4,946,154,473.76/89,946.06
  6. Step 6: Final answer
    x = 54,990.23

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1.5x scale

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.