Home / 76,100.16-105,017.82-43,822.97

Finding the Fourth Proportional to 76,100.16, 105,017.82 and 43,822.97

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Solution

The fourth proportional to 76,100.16, 105,017.82 and 43,822.97 is: 60,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,100.16 : 105,017.82 = 43,822.97 : x
  2. Step 2: Convert to fraction form
    76,100.16/105,017.82 = 43,822.97/x
  3. Step 3: Cross multiply
    76,100.16x = 105,017.82 × 43,822.97
  4. Step 4: Simplify right side
    76,100.16x = 4,602,193,070.44
  5. Step 5: Solve for x
    x = 4,602,193,070.44/76,100.16
  6. Step 6: Final answer
    x = 60,475.47

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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.