Home / 104,777.20-157,203.69-64,749.32

Finding the Fourth Proportional to 104,777.20, 157,203.69 and 64,749.32

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Solution

The fourth proportional to 104,777.20, 157,203.69 and 64,749.32 is: 97,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,777.20 : 157,203.69 = 64,749.32 : x
  2. Step 2: Convert to fraction form
    104,777.20/157,203.69 = 64,749.32/x
  3. Step 3: Cross multiply
    104,777.20x = 157,203.69 × 64,749.32
  4. Step 4: Simplify right side
    104,777.20x = 10,178,832,473.95
  5. Step 5: Solve for x
    x = 10,178,832,473.95/104,777.20
  6. Step 6: Final answer
    x = 97,147.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.