Home / 104,528.64-144,250.56-56,782.48

Finding the Fourth Proportional to 104,528.64, 144,250.56 and 56,782.48

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Solution

The fourth proportional to 104,528.64, 144,250.56 and 56,782.48 is: 78,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,528.64 : 144,250.56 = 56,782.48 : x
  2. Step 2: Convert to fraction form
    104,528.64/144,250.56 = 56,782.48/x
  3. Step 3: Cross multiply
    104,528.64x = 144,250.56 × 56,782.48
  4. Step 4: Simplify right side
    104,528.64x = 8,190,904,538.19
  5. Step 5: Solve for x
    x = 8,190,904,538.19/104,528.64
  6. Step 6: Final answer
    x = 78,360.39

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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.