Home / 104,080.50-143,631.09-56,334.24

Finding the Fourth Proportional to 104,080.50, 143,631.09 and 56,334.24

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Solution

The fourth proportional to 104,080.50, 143,631.09 and 56,334.24 is: 77,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,080.50 : 143,631.09 = 56,334.24 : x
  2. Step 2: Convert to fraction form
    104,080.50/143,631.09 = 56,334.24/x
  3. Step 3: Cross multiply
    104,080.50x = 143,631.09 × 56,334.24
  4. Step 4: Simplify right side
    104,080.50x = 8,091,348,295.52
  5. Step 5: Solve for x
    x = 8,091,348,295.52/104,080.50
  6. Step 6: Final answer
    x = 77,741.25

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1.5x scale

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.