Home / 104,866.32-144,714.78-57,119.52

Finding the Fourth Proportional to 104,866.32, 144,714.78 and 57,119.52

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Solution

The fourth proportional to 104,866.32, 144,714.78 and 57,119.52 is: 78,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,866.32 : 144,714.78 = 57,119.52 : x
  2. Step 2: Convert to fraction form
    104,866.32/144,714.78 = 57,119.52/x
  3. Step 3: Cross multiply
    104,866.32x = 144,714.78 × 57,119.52
  4. Step 4: Simplify right side
    104,866.32x = 8,266,038,770.51
  5. Step 5: Solve for x
    x = 8,266,038,770.51/104,866.32
  6. Step 6: Final answer
    x = 78,824.53

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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.