Home / 104,037.02-143,571.08-56,290.38

Finding the Fourth Proportional to 104,037.02, 143,571.08 and 56,290.38

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Solution

The fourth proportional to 104,037.02, 143,571.08 and 56,290.38 is: 77,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,037.02 : 143,571.08 = 56,290.38 : x
  2. Step 2: Convert to fraction form
    104,037.02/143,571.08 = 56,290.38/x
  3. Step 3: Cross multiply
    104,037.02x = 143,571.08 × 56,290.38
  4. Step 4: Simplify right side
    104,037.02x = 8,081,670,252.54
  5. Step 5: Solve for x
    x = 8,081,670,252.54/104,037.02
  6. Step 6: Final answer
    x = 77,680.72

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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.