Home / 70,391.46-97,140.33-38,559.66

Finding the Fourth Proportional to 70,391.46, 97,140.33 and 38,559.66

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Solution

The fourth proportional to 70,391.46, 97,140.33 and 38,559.66 is: 53,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,391.46 : 97,140.33 = 38,559.66 : x
  2. Step 2: Convert to fraction form
    70,391.46/97,140.33 = 38,559.66/x
  3. Step 3: Cross multiply
    70,391.46x = 97,140.33 × 38,559.66
  4. Step 4: Simplify right side
    70,391.46x = 3,745,698,097.09
  5. Step 5: Solve for x
    x = 3,745,698,097.09/70,391.46
  6. Step 6: Final answer
    x = 53,212.39

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1.5x scale

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.