Home / 104,063.56-143,607.96-56,317.36

Finding the Fourth Proportional to 104,063.56, 143,607.96 and 56,317.36

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Solution

The fourth proportional to 104,063.56, 143,607.96 and 56,317.36 is: 77,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.56 : 143,607.96 = 56,317.36 : x
  2. Step 2: Convert to fraction form
    104,063.56/143,607.96 = 56,317.36/x
  3. Step 3: Cross multiply
    104,063.56x = 143,607.96 × 56,317.36
  4. Step 4: Simplify right side
    104,063.56x = 8,087,621,182.19
  5. Step 5: Solve for x
    x = 8,087,621,182.19/104,063.56
  6. Step 6: Final answer
    x = 77,718.09

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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.