Home / 100,941.64-151,218.43-56,433.42

Finding the Fourth Proportional to 100,941.64, 151,218.43 and 56,433.42

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Solution

The fourth proportional to 100,941.64, 151,218.43 and 56,433.42 is: 84,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,941.64 : 151,218.43 = 56,433.42 : x
  2. Step 2: Convert to fraction form
    100,941.64/151,218.43 = 56,433.42/x
  3. Step 3: Cross multiply
    100,941.64x = 151,218.43 × 56,433.42
  4. Step 4: Simplify right side
    100,941.64x = 8,533,773,030.85
  5. Step 5: Solve for x
    x = 8,533,773,030.85/100,941.64
  6. Step 6: Final answer
    x = 84,541.65

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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.