Home / 97,236.75-145,855.13-31,572.75

Finding the Fourth Proportional to 97,236.75, 145,855.13 and 31,572.75

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Solution

The fourth proportional to 97,236.75, 145,855.13 and 31,572.75 is: 47,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,236.75 : 145,855.13 = 31,572.75 : x
  2. Step 2: Convert to fraction form
    97,236.75/145,855.13 = 31,572.75/x
  3. Step 3: Cross multiply
    97,236.75x = 145,855.13 × 31,572.75
  4. Step 4: Simplify right side
    97,236.75x = 4,605,047,555.71
  5. Step 5: Solve for x
    x = 4,605,047,555.71/97,236.75
  6. Step 6: Final answer
    x = 47,359.13

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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.