Home / 81,958.40-113,108.64-46,152.32

Finding the Fourth Proportional to 81,958.40, 113,108.64 and 46,152.32

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Solution

The fourth proportional to 81,958.40, 113,108.64 and 46,152.32 is: 63,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,958.40 : 113,108.64 = 46,152.32 : x
  2. Step 2: Convert to fraction form
    81,958.40/113,108.64 = 46,152.32/x
  3. Step 3: Cross multiply
    81,958.40x = 113,108.64 × 46,152.32
  4. Step 4: Simplify right side
    81,958.40x = 5,220,226,148.04
  5. Step 5: Solve for x
    x = 5,220,226,148.04/81,958.40
  6. Step 6: Final answer
    x = 63,693.61

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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.