Home / 53,133.81-79,749.99-26,857.01

Finding the Fourth Proportional to 53,133.81, 79,749.99 and 26,857.01

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Solution

The fourth proportional to 53,133.81, 79,749.99 and 26,857.01 is: 40,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.81 : 79,749.99 = 26,857.01 : x
  2. Step 2: Convert to fraction form
    53,133.81/79,749.99 = 26,857.01/x
  3. Step 3: Cross multiply
    53,133.81x = 79,749.99 × 26,857.01
  4. Step 4: Simplify right side
    53,133.81x = 2,141,845,880.18
  5. Step 5: Solve for x
    x = 2,141,845,880.18/53,133.81
  6. Step 6: Final answer
    x = 40,310.41

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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.