Home / 104,743.14-144,548.64-56,999.58

Finding the Fourth Proportional to 104,743.14, 144,548.64 and 56,999.58

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Solution

The fourth proportional to 104,743.14, 144,548.64 and 56,999.58 is: 78,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,743.14 : 144,548.64 = 56,999.58 : x
  2. Step 2: Convert to fraction form
    104,743.14/144,548.64 = 56,999.58/x
  3. Step 3: Cross multiply
    104,743.14x = 144,548.64 × 56,999.58
  4. Step 4: Simplify right side
    104,743.14x = 8,239,211,769.57
  5. Step 5: Solve for x
    x = 8,239,211,769.57/104,743.14
  6. Step 6: Final answer
    x = 78,661.11

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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.