Home / 53,886.02-74,362.68-31,238.17

Finding the Fourth Proportional to 53,886.02, 74,362.68 and 31,238.17

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Solution

The fourth proportional to 53,886.02, 74,362.68 and 31,238.17 is: 43,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.02 : 74,362.68 = 31,238.17 : x
  2. Step 2: Convert to fraction form
    53,886.02/74,362.68 = 31,238.17/x
  3. Step 3: Cross multiply
    53,886.02x = 74,362.68 × 31,238.17
  4. Step 4: Simplify right side
    53,886.02x = 2,322,954,039.50
  5. Step 5: Solve for x
    x = 2,322,954,039.50/53,886.02
  6. Step 6: Final answer
    x = 43,108.66

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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.