Home / 89,847.76-134,787.77-30,669.59

Finding the Fourth Proportional to 89,847.76, 134,787.77 and 30,669.59

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Solution

The fourth proportional to 89,847.76, 134,787.77 and 30,669.59 is: 46,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.76 : 134,787.77 = 30,669.59 : x
  2. Step 2: Convert to fraction form
    89,847.76/134,787.77 = 30,669.59/x
  3. Step 3: Cross multiply
    89,847.76x = 134,787.77 × 30,669.59
  4. Step 4: Simplify right side
    89,847.76x = 4,133,884,968.98
  5. Step 5: Solve for x
    x = 4,133,884,968.98/89,847.76
  6. Step 6: Final answer
    x = 46,009.89

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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.