Home / 104,421.60-144,101.93-56,674.96

Finding the Fourth Proportional to 104,421.60, 144,101.93 and 56,674.96

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Solution

The fourth proportional to 104,421.60, 144,101.93 and 56,674.96 is: 78,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.60 : 144,101.93 = 56,674.96 : x
  2. Step 2: Convert to fraction form
    104,421.60/144,101.93 = 56,674.96/x
  3. Step 3: Cross multiply
    104,421.60x = 144,101.93 × 56,674.96
  4. Step 4: Simplify right side
    104,421.60x = 8,166,970,900.11
  5. Step 5: Solve for x
    x = 8,166,970,900.11/104,421.60
  6. Step 6: Final answer
    x = 78,211.51

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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.