Home / 51,313.49-70,814.01-31,165.75

Finding the Fourth Proportional to 51,313.49, 70,814.01 and 31,165.75

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Solution

The fourth proportional to 51,313.49, 70,814.01 and 31,165.75 is: 43,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,313.49 : 70,814.01 = 31,165.75 : x
  2. Step 2: Convert to fraction form
    51,313.49/70,814.01 = 31,165.75/x
  3. Step 3: Cross multiply
    51,313.49x = 70,814.01 × 31,165.75
  4. Step 4: Simplify right side
    51,313.49x = 2,206,971,732.16
  5. Step 5: Solve for x
    x = 2,206,971,732.16/51,313.49
  6. Step 6: Final answer
    x = 43,009.58

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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.