Home / 104,837-144,670.72-57,090.24

Finding the Fourth Proportional to 104,837, 144,670.72 and 57,090.24

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Solution

The fourth proportional to 104,837, 144,670.72 and 57,090.24 is: 78,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,837 : 144,670.72 = 57,090.24 : x
  2. Step 2: Convert to fraction form
    104,837/144,670.72 = 57,090.24/x
  3. Step 3: Cross multiply
    104,837x = 144,670.72 × 57,090.24
  4. Step 4: Simplify right side
    104,837x = 8,259,286,125.77
  5. Step 5: Solve for x
    x = 8,259,286,125.77/104,837
  6. Step 6: Final answer
    x = 78,782.17

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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.