Home / 94,939.32-131,012.31-54,657.21

Finding the Fourth Proportional to 94,939.32, 131,012.31 and 54,657.21

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Solution

The fourth proportional to 94,939.32, 131,012.31 and 54,657.21 is: 75,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,939.32 : 131,012.31 = 54,657.21 : x
  2. Step 2: Convert to fraction form
    94,939.32/131,012.31 = 54,657.21/x
  3. Step 3: Cross multiply
    94,939.32x = 131,012.31 × 54,657.21
  4. Step 4: Simplify right side
    94,939.32x = 7,160,767,340.26
  5. Step 5: Solve for x
    x = 7,160,767,340.26/94,939.32
  6. Step 6: Final answer
    x = 75,424.67

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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.