Home / 97,238.75-145,858.13-31,574.75

Finding the Fourth Proportional to 97,238.75, 145,858.13 and 31,574.75

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Solution

The fourth proportional to 97,238.75, 145,858.13 and 31,574.75 is: 47,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,238.75 : 145,858.13 = 31,574.75 : x
  2. Step 2: Convert to fraction form
    97,238.75/145,858.13 = 31,574.75/x
  3. Step 3: Cross multiply
    97,238.75x = 145,858.13 × 31,574.75
  4. Step 4: Simplify right side
    97,238.75x = 4,605,433,990.22
  5. Step 5: Solve for x
    x = 4,605,433,990.22/97,238.75
  6. Step 6: Final answer
    x = 47,362.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.