Home / 89,244.09-133,823.04-51,813.60

Finding the Fourth Proportional to 89,244.09, 133,823.04 and 51,813.60

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Solution

The fourth proportional to 89,244.09, 133,823.04 and 51,813.60 is: 77,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,244.09 : 133,823.04 = 51,813.60 : x
  2. Step 2: Convert to fraction form
    89,244.09/133,823.04 = 51,813.60/x
  3. Step 3: Cross multiply
    89,244.09x = 133,823.04 × 51,813.60
  4. Step 4: Simplify right side
    89,244.09x = 6,933,853,465.34
  5. Step 5: Solve for x
    x = 6,933,853,465.34/89,244.09
  6. Step 6: Final answer
    x = 77,695.38

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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.