Home / 104,811.86-144,636.48-57,064.25

Finding the Fourth Proportional to 104,811.86, 144,636.48 and 57,064.25

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Solution

The fourth proportional to 104,811.86, 144,636.48 and 57,064.25 is: 78,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.86 : 144,636.48 = 57,064.25 : x
  2. Step 2: Convert to fraction form
    104,811.86/144,636.48 = 57,064.25/x
  3. Step 3: Cross multiply
    104,811.86x = 144,636.48 × 57,064.25
  4. Step 4: Simplify right side
    104,811.86x = 8,253,571,530.66
  5. Step 5: Solve for x
    x = 8,253,571,530.66/104,811.86
  6. Step 6: Final answer
    x = 78,746.55

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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.