Home / 97,735.07-134,888.90-61,928.43

Finding the Fourth Proportional to 97,735.07, 134,888.90 and 61,928.43

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Solution

The fourth proportional to 97,735.07, 134,888.90 and 61,928.43 is: 85,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,735.07 : 134,888.90 = 61,928.43 : x
  2. Step 2: Convert to fraction form
    97,735.07/134,888.90 = 61,928.43/x
  3. Step 3: Cross multiply
    97,735.07x = 134,888.90 × 61,928.43
  4. Step 4: Simplify right side
    97,735.07x = 8,353,457,491.78
  5. Step 5: Solve for x
    x = 8,353,457,491.78/97,735.07
  6. Step 6: Final answer
    x = 85,470.42

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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.