Home / 104,025.48-143,554.79-56,278.85

Finding the Fourth Proportional to 104,025.48, 143,554.79 and 56,278.85

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Solution

The fourth proportional to 104,025.48, 143,554.79 and 56,278.85 is: 77,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.48 : 143,554.79 = 56,278.85 : x
  2. Step 2: Convert to fraction form
    104,025.48/143,554.79 = 56,278.85/x
  3. Step 3: Cross multiply
    104,025.48x = 143,554.79 × 56,278.85
  4. Step 4: Simplify right side
    104,025.48x = 8,079,097,494.02
  5. Step 5: Solve for x
    x = 8,079,097,494.02/104,025.48
  6. Step 6: Final answer
    x = 77,664.60

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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.