Home / 105,091.08-157,634.94-48,899.76

Finding the Fourth Proportional to 105,091.08, 157,634.94 and 48,899.76

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Solution

The fourth proportional to 105,091.08, 157,634.94 and 48,899.76 is: 73,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,091.08 : 157,634.94 = 48,899.76 : x
  2. Step 2: Convert to fraction form
    105,091.08/157,634.94 = 48,899.76/x
  3. Step 3: Cross multiply
    105,091.08x = 157,634.94 × 48,899.76
  4. Step 4: Simplify right side
    105,091.08x = 7,708,310,733.61
  5. Step 5: Solve for x
    x = 7,708,310,733.61/105,091.08
  6. Step 6: Final answer
    x = 73,348.86

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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.