Home / 53,983.53-74,497.32-31,327.12

Finding the Fourth Proportional to 53,983.53, 74,497.32 and 31,327.12

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Solution

The fourth proportional to 53,983.53, 74,497.32 and 31,327.12 is: 43,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,983.53 : 74,497.32 = 31,327.12 : x
  2. Step 2: Convert to fraction form
    53,983.53/74,497.32 = 31,327.12/x
  3. Step 3: Cross multiply
    53,983.53x = 74,497.32 × 31,327.12
  4. Step 4: Simplify right side
    53,983.53x = 2,333,786,483.32
  5. Step 5: Solve for x
    x = 2,333,786,483.32/53,983.53
  6. Step 6: Final answer
    x = 43,231.45

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1.5x scale

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.