Home / 92,845.60-128,126.24-50,403.04

Finding the Fourth Proportional to 92,845.60, 128,126.24 and 50,403.04

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Solution

The fourth proportional to 92,845.60, 128,126.24 and 50,403.04 is: 69,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,845.60 : 128,126.24 = 50,403.04 : x
  2. Step 2: Convert to fraction form
    92,845.60/128,126.24 = 50,403.04/x
  3. Step 3: Cross multiply
    92,845.60x = 128,126.24 × 50,403.04
  4. Step 4: Simplify right side
    92,845.60x = 6,457,951,999.77
  5. Step 5: Solve for x
    x = 6,457,951,999.77/92,845.60
  6. Step 6: Final answer
    x = 69,555.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.