Home / 92,917.80-128,221.74-50,476.26

Finding the Fourth Proportional to 92,917.80, 128,221.74 and 50,476.26

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Solution

The fourth proportional to 92,917.80, 128,221.74 and 50,476.26 is: 69,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.80 : 128,221.74 = 50,476.26 : x
  2. Step 2: Convert to fraction form
    92,917.80/128,221.74 = 50,476.26/x
  3. Step 3: Cross multiply
    92,917.80x = 128,221.74 × 50,476.26
  4. Step 4: Simplify right side
    92,917.80x = 6,472,153,885.89
  5. Step 5: Solve for x
    x = 6,472,153,885.89/92,917.80
  6. Step 6: Final answer
    x = 69,654.62

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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.