Home / 105,001.98-144,899.54-57,256.26

Finding the Fourth Proportional to 105,001.98, 144,899.54 and 57,256.26

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Solution

The fourth proportional to 105,001.98, 144,899.54 and 57,256.26 is: 79,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.98 : 144,899.54 = 57,256.26 : x
  2. Step 2: Convert to fraction form
    105,001.98/144,899.54 = 57,256.26/x
  3. Step 3: Cross multiply
    105,001.98x = 144,899.54 × 57,256.26
  4. Step 4: Simplify right side
    105,001.98x = 8,296,405,736.12
  5. Step 5: Solve for x
    x = 8,296,405,736.12/105,001.98
  6. Step 6: Final answer
    x = 79,011.90

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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.