Home / 104,202.56-143,798.65-56,455.81

Finding the Fourth Proportional to 104,202.56, 143,798.65 and 56,455.81

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Solution

The fourth proportional to 104,202.56, 143,798.65 and 56,455.81 is: 77,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,202.56 : 143,798.65 = 56,455.81 : x
  2. Step 2: Convert to fraction form
    104,202.56/143,798.65 = 56,455.81/x
  3. Step 3: Cross multiply
    104,202.56x = 143,798.65 × 56,455.81
  4. Step 4: Simplify right side
    104,202.56x = 8,118,268,762.02
  5. Step 5: Solve for x
    x = 8,118,268,762.02/104,202.56
  6. Step 6: Final answer
    x = 77,908.53

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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.