Home / 104,140.04-143,713.05-56,393.24

Finding the Fourth Proportional to 104,140.04, 143,713.05 and 56,393.24

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Solution

The fourth proportional to 104,140.04, 143,713.05 and 56,393.24 is: 77,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,140.04 : 143,713.05 = 56,393.24 : x
  2. Step 2: Convert to fraction form
    104,140.04/143,713.05 = 56,393.24/x
  3. Step 3: Cross multiply
    104,140.04x = 143,713.05 × 56,393.24
  4. Step 4: Simplify right side
    104,140.04x = 8,104,444,519.78
  5. Step 5: Solve for x
    x = 8,104,444,519.78/104,140.04
  6. Step 6: Final answer
    x = 77,822.56

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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.