Home / 104,421.06-144,101.20-56,674.41

Finding the Fourth Proportional to 104,421.06, 144,101.20 and 56,674.41

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Solution

The fourth proportional to 104,421.06, 144,101.20 and 56,674.41 is: 78,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.06 : 144,101.20 = 56,674.41 : x
  2. Step 2: Convert to fraction form
    104,421.06/144,101.20 = 56,674.41/x
  3. Step 3: Cross multiply
    104,421.06x = 144,101.20 × 56,674.41
  4. Step 4: Simplify right side
    104,421.06x = 8,166,850,479.17
  5. Step 5: Solve for x
    x = 8,166,850,479.17/104,421.06
  6. Step 6: Final answer
    x = 78,210.76

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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.