Home / 51,199.32-70,659.26-28,845.40

Finding the Fourth Proportional to 51,199.32, 70,659.26 and 28,845.40

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Solution

The fourth proportional to 51,199.32, 70,659.26 and 28,845.40 is: 39,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.32 : 70,659.26 = 28,845.40 : x
  2. Step 2: Convert to fraction form
    51,199.32/70,659.26 = 28,845.40/x
  3. Step 3: Cross multiply
    51,199.32x = 70,659.26 × 28,845.40
  4. Step 4: Simplify right side
    51,199.32x = 2,038,194,618.40
  5. Step 5: Solve for x
    x = 2,038,194,618.40/51,199.32
  6. Step 6: Final answer
    x = 39,809.02

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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.