Home / 104,421.32-144,101.56-56,674.66

Finding the Fourth Proportional to 104,421.32, 144,101.56 and 56,674.66

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Solution

The fourth proportional to 104,421.32, 144,101.56 and 56,674.66 is: 78,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.32 : 144,101.56 = 56,674.66 : x
  2. Step 2: Convert to fraction form
    104,421.32/144,101.56 = 56,674.66/x
  3. Step 3: Cross multiply
    104,421.32x = 144,101.56 × 56,674.66
  4. Step 4: Simplify right side
    104,421.32x = 8,166,906,918.47
  5. Step 5: Solve for x
    x = 8,166,906,918.47/104,421.32
  6. Step 6: Final answer
    x = 78,211.11

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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.