Home / 102,741.41-141,744.07-75,948.23

Finding the Fourth Proportional to 102,741.41, 141,744.07 and 75,948.23

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Solution

The fourth proportional to 102,741.41, 141,744.07 and 75,948.23 is: 104,779.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,741.41 : 141,744.07 = 75,948.23 : x
  2. Step 2: Convert to fraction form
    102,741.41/141,744.07 = 75,948.23/x
  3. Step 3: Cross multiply
    102,741.41x = 141,744.07 × 75,948.23
  4. Step 4: Simplify right side
    102,741.41x = 10,765,211,229.50
  5. Step 5: Solve for x
    x = 10,765,211,229.50/102,741.41
  6. Step 6: Final answer
    x = 104,779.67

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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.