Home / 53,975.40-74,456.10-31,615.08

Finding the Fourth Proportional to 53,975.40, 74,456.10 and 31,615.08

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Solution

The fourth proportional to 53,975.40, 74,456.10 and 31,615.08 is: 43,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.40 : 74,456.10 = 31,615.08 : x
  2. Step 2: Convert to fraction form
    53,975.40/74,456.10 = 31,615.08/x
  3. Step 3: Cross multiply
    53,975.40x = 74,456.10 × 31,615.08
  4. Step 4: Simplify right side
    53,975.40x = 2,353,935,557.99
  5. Step 5: Solve for x
    x = 2,353,935,557.99/53,975.40
  6. Step 6: Final answer
    x = 43,611.27

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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.