Home / 104,814.88-144,647.09-57,070.82

Finding the Fourth Proportional to 104,814.88, 144,647.09 and 57,070.82

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Solution

The fourth proportional to 104,814.88, 144,647.09 and 57,070.82 is: 78,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,814.88 : 144,647.09 = 57,070.82 : x
  2. Step 2: Convert to fraction form
    104,814.88/144,647.09 = 57,070.82/x
  3. Step 3: Cross multiply
    104,814.88x = 144,647.09 × 57,070.82
  4. Step 4: Simplify right side
    104,814.88x = 8,255,128,036.91
  5. Step 5: Solve for x
    x = 8,255,128,036.91/104,814.88
  6. Step 6: Final answer
    x = 78,759.12

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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.