Home / 94,278.89-130,105.35-51,840.15

Finding the Fourth Proportional to 94,278.89, 130,105.35 and 51,840.15

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Solution

The fourth proportional to 94,278.89, 130,105.35 and 51,840.15 is: 71,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,278.89 : 130,105.35 = 51,840.15 : x
  2. Step 2: Convert to fraction form
    94,278.89/130,105.35 = 51,840.15/x
  3. Step 3: Cross multiply
    94,278.89x = 130,105.35 × 51,840.15
  4. Step 4: Simplify right side
    94,278.89x = 6,744,680,859.80
  5. Step 5: Solve for x
    x = 6,744,680,859.80/94,278.89
  6. Step 6: Final answer
    x = 71,539.67

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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.