Home / 51,444.37-70,996-28,782.01

Finding the Fourth Proportional to 51,444.37, 70,996 and 28,782.01

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Solution

The fourth proportional to 51,444.37, 70,996 and 28,782.01 is: 39,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,444.37 : 70,996 = 28,782.01 : x
  2. Step 2: Convert to fraction form
    51,444.37/70,996 = 28,782.01/x
  3. Step 3: Cross multiply
    51,444.37x = 70,996 × 28,782.01
  4. Step 4: Simplify right side
    51,444.37x = 2,043,407,581.96
  5. Step 5: Solve for x
    x = 2,043,407,581.96/51,444.37
  6. Step 6: Final answer
    x = 39,720.72

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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.