Home / 104,045.41-143,582.21-56,299.60

Finding the Fourth Proportional to 104,045.41, 143,582.21 and 56,299.60

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Solution

The fourth proportional to 104,045.41, 143,582.21 and 56,299.60 is: 77,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,045.41 : 143,582.21 = 56,299.60 : x
  2. Step 2: Convert to fraction form
    104,045.41/143,582.21 = 56,299.60/x
  3. Step 3: Cross multiply
    104,045.41x = 143,582.21 × 56,299.60
  4. Step 4: Simplify right side
    104,045.41x = 8,083,620,708.62
  5. Step 5: Solve for x
    x = 8,083,620,708.62/104,045.41
  6. Step 6: Final answer
    x = 77,693.20

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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.