Home / 77,050.56-106,318.89-43,056.39

Finding the Fourth Proportional to 77,050.56, 106,318.89 and 43,056.39

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Solution

The fourth proportional to 77,050.56, 106,318.89 and 43,056.39 is: 59,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,050.56 : 106,318.89 = 43,056.39 : x
  2. Step 2: Convert to fraction form
    77,050.56/106,318.89 = 43,056.39/x
  3. Step 3: Cross multiply
    77,050.56x = 106,318.89 × 43,056.39
  4. Step 4: Simplify right side
    77,050.56x = 4,577,707,592.21
  5. Step 5: Solve for x
    x = 4,577,707,592.21/77,050.56
  6. Step 6: Final answer
    x = 59,411.74

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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.