Home / 88,887.09-133,184.84-53,836.77

Finding the Fourth Proportional to 88,887.09, 133,184.84 and 53,836.77

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Solution

The fourth proportional to 88,887.09, 133,184.84 and 53,836.77 is: 80,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,887.09 : 133,184.84 = 53,836.77 : x
  2. Step 2: Convert to fraction form
    88,887.09/133,184.84 = 53,836.77/x
  3. Step 3: Cross multiply
    88,887.09x = 133,184.84 × 53,836.77
  4. Step 4: Simplify right side
    88,887.09x = 7,170,241,329.38
  5. Step 5: Solve for x
    x = 7,170,241,329.38/88,887.09
  6. Step 6: Final answer
    x = 80,666.85

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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.