Home / 100,969.28-151,259.64-56,461.04

Finding the Fourth Proportional to 100,969.28, 151,259.64 and 56,461.04

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Solution

The fourth proportional to 100,969.28, 151,259.64 and 56,461.04 is: 84,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,969.28 : 151,259.64 = 56,461.04 : x
  2. Step 2: Convert to fraction form
    100,969.28/151,259.64 = 56,461.04/x
  3. Step 3: Cross multiply
    100,969.28x = 151,259.64 × 56,461.04
  4. Step 4: Simplify right side
    100,969.28x = 8,540,276,584.43
  5. Step 5: Solve for x
    x = 8,540,276,584.43/100,969.28
  6. Step 6: Final answer
    x = 84,582.92

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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.