Home / 53,913.52-74,401.40-31,254.16

Finding the Fourth Proportional to 53,913.52, 74,401.40 and 31,254.16

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Solution

The fourth proportional to 53,913.52, 74,401.40 and 31,254.16 is: 43,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.52 : 74,401.40 = 31,254.16 : x
  2. Step 2: Convert to fraction form
    53,913.52/74,401.40 = 31,254.16/x
  3. Step 3: Cross multiply
    53,913.52x = 74,401.40 × 31,254.16
  4. Step 4: Simplify right side
    53,913.52x = 2,325,353,259.82
  5. Step 5: Solve for x
    x = 2,325,353,259.82/53,913.52
  6. Step 6: Final answer
    x = 43,131.17

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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.