Home / 89,349.84-133,689.77-53,194.05

Finding the Fourth Proportional to 89,349.84, 133,689.77 and 53,194.05

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Solution

The fourth proportional to 89,349.84, 133,689.77 and 53,194.05 is: 79,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.84 : 133,689.77 = 53,194.05 : x
  2. Step 2: Convert to fraction form
    89,349.84/133,689.77 = 53,194.05/x
  3. Step 3: Cross multiply
    89,349.84x = 133,689.77 × 53,194.05
  4. Step 4: Simplify right side
    89,349.84x = 7,111,500,309.87
  5. Step 5: Solve for x
    x = 7,111,500,309.87/89,349.84
  6. Step 6: Final answer
    x = 79,591.64

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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.