Home / 53,688.06-74,100.41-31,028.01

Finding the Fourth Proportional to 53,688.06, 74,100.41 and 31,028.01

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Solution

The fourth proportional to 53,688.06, 74,100.41 and 31,028.01 is: 42,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.06 : 74,100.41 = 31,028.01 : x
  2. Step 2: Convert to fraction form
    53,688.06/74,100.41 = 31,028.01/x
  3. Step 3: Cross multiply
    53,688.06x = 74,100.41 × 31,028.01
  4. Step 4: Simplify right side
    53,688.06x = 2,299,187,945.82
  5. Step 5: Solve for x
    x = 2,299,187,945.82/53,688.06
  6. Step 6: Final answer
    x = 42,824.94

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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.