Home / 104,023.98-143,554.14-56,278.26

Finding the Fourth Proportional to 104,023.98, 143,554.14 and 56,278.26

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Solution

The fourth proportional to 104,023.98, 143,554.14 and 56,278.26 is: 77,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,023.98 : 143,554.14 = 56,278.26 : x
  2. Step 2: Convert to fraction form
    104,023.98/143,554.14 = 56,278.26/x
  3. Step 3: Cross multiply
    104,023.98x = 143,554.14 × 56,278.26
  4. Step 4: Simplify right side
    104,023.98x = 8,078,977,215.00
  5. Step 5: Solve for x
    x = 8,078,977,215.00/104,023.98
  6. Step 6: Final answer
    x = 77,664.57

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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.