Home / 77,148.21-106,473.35-43,165.31

Finding the Fourth Proportional to 77,148.21, 106,473.35 and 43,165.31

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Solution

The fourth proportional to 77,148.21, 106,473.35 and 43,165.31 is: 59,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,148.21 : 106,473.35 = 43,165.31 : x
  2. Step 2: Convert to fraction form
    77,148.21/106,473.35 = 43,165.31/x
  3. Step 3: Cross multiply
    77,148.21x = 106,473.35 × 43,165.31
  4. Step 4: Simplify right side
    77,148.21x = 4,595,954,411.30
  5. Step 5: Solve for x
    x = 4,595,954,411.30/77,148.21
  6. Step 6: Final answer
    x = 59,573.05

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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.