Home / 76,190.90-105,143.74-44,381.66

Finding the Fourth Proportional to 76,190.90, 105,143.74 and 44,381.66

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Solution

The fourth proportional to 76,190.90, 105,143.74 and 44,381.66 is: 61,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,190.90 : 105,143.74 = 44,381.66 : x
  2. Step 2: Convert to fraction form
    76,190.90/105,143.74 = 44,381.66/x
  3. Step 3: Cross multiply
    76,190.90x = 105,143.74 × 44,381.66
  4. Step 4: Simplify right side
    76,190.90x = 4,666,453,083.14
  5. Step 5: Solve for x
    x = 4,666,453,083.14/76,190.90
  6. Step 6: Final answer
    x = 61,246.86

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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.