Home / 104,381.07-144,046.80-56,635.37

Finding the Fourth Proportional to 104,381.07, 144,046.80 and 56,635.37

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Solution

The fourth proportional to 104,381.07, 144,046.80 and 56,635.37 is: 78,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,381.07 : 144,046.80 = 56,635.37 : x
  2. Step 2: Convert to fraction form
    104,381.07/144,046.80 = 56,635.37/x
  3. Step 3: Cross multiply
    104,381.07x = 144,046.80 × 56,635.37
  4. Step 4: Simplify right side
    104,381.07x = 8,158,143,095.08
  5. Step 5: Solve for x
    x = 8,158,143,095.08/104,381.07
  6. Step 6: Final answer
    x = 78,157.30

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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.