Home / 53,372.16-73,656-31,011.84

Finding the Fourth Proportional to 53,372.16, 73,656 and 31,011.84

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Solution

The fourth proportional to 53,372.16, 73,656 and 31,011.84 is: 42,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,372.16 : 73,656 = 31,011.84 : x
  2. Step 2: Convert to fraction form
    53,372.16/73,656 = 31,011.84/x
  3. Step 3: Cross multiply
    53,372.16x = 73,656 × 31,011.84
  4. Step 4: Simplify right side
    53,372.16x = 2,284,208,087.04
  5. Step 5: Solve for x
    x = 2,284,208,087.04/53,372.16
  6. Step 6: Final answer
    x = 42,797.74

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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.