Home / 76,844.31-106,041.87-56,693.94

Finding the Fourth Proportional to 76,844.31, 106,041.87 and 56,693.94

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Solution

The fourth proportional to 76,844.31, 106,041.87 and 56,693.94 is: 78,235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,844.31 : 106,041.87 = 56,693.94 : x
  2. Step 2: Convert to fraction form
    76,844.31/106,041.87 = 56,693.94/x
  3. Step 3: Cross multiply
    76,844.31x = 106,041.87 × 56,693.94
  4. Step 4: Simplify right side
    76,844.31x = 6,011,931,415.27
  5. Step 5: Solve for x
    x = 6,011,931,415.27/76,844.31
  6. Step 6: Final answer
    x = 78,235.22

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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.