Home / 97,312.70-145,956.48-30,759.57

Finding the Fourth Proportional to 97,312.70, 145,956.48 and 30,759.57

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Solution

The fourth proportional to 97,312.70, 145,956.48 and 30,759.57 is: 46,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,312.70 : 145,956.48 = 30,759.57 : x
  2. Step 2: Convert to fraction form
    97,312.70/145,956.48 = 30,759.57/x
  3. Step 3: Cross multiply
    97,312.70x = 145,956.48 × 30,759.57
  4. Step 4: Simplify right side
    97,312.70x = 4,489,558,563.51
  5. Step 5: Solve for x
    x = 4,489,558,563.51/97,312.70
  6. Step 6: Final answer
    x = 46,135.38

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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.