Home / 53,669.66-74,073.29-31,009.32

Finding the Fourth Proportional to 53,669.66, 74,073.29 and 31,009.32

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Solution

The fourth proportional to 53,669.66, 74,073.29 and 31,009.32 is: 42,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,669.66 : 74,073.29 = 31,009.32 : x
  2. Step 2: Convert to fraction form
    53,669.66/74,073.29 = 31,009.32/x
  3. Step 3: Cross multiply
    53,669.66x = 74,073.29 × 31,009.32
  4. Step 4: Simplify right side
    53,669.66x = 2,296,962,198.02
  5. Step 5: Solve for x
    x = 2,296,962,198.02/53,669.66
  6. Step 6: Final answer
    x = 42,798.15

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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.