Home / 76,550.96-114,840.21-31,547.26

Finding the Fourth Proportional to 76,550.96, 114,840.21 and 31,547.26

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Solution

The fourth proportional to 76,550.96, 114,840.21 and 31,547.26 is: 47,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,550.96 : 114,840.21 = 31,547.26 : x
  2. Step 2: Convert to fraction form
    76,550.96/114,840.21 = 31,547.26/x
  3. Step 3: Cross multiply
    76,550.96x = 114,840.21 × 31,547.26
  4. Step 4: Simplify right side
    76,550.96x = 3,622,893,963.32
  5. Step 5: Solve for x
    x = 3,622,893,963.32/76,550.96
  6. Step 6: Final answer
    x = 47,326.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.