Home / 104,543.15-144,268.78-56,796.89

Finding the Fourth Proportional to 104,543.15, 144,268.78 and 56,796.89

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Solution

The fourth proportional to 104,543.15, 144,268.78 and 56,796.89 is: 78,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.15 : 144,268.78 = 56,796.89 : x
  2. Step 2: Convert to fraction form
    104,543.15/144,268.78 = 56,796.89/x
  3. Step 3: Cross multiply
    104,543.15x = 144,268.78 × 56,796.89
  4. Step 4: Simplify right side
    104,543.15x = 8,194,017,744.11
  5. Step 5: Solve for x
    x = 8,194,017,744.11/104,543.15
  6. Step 6: Final answer
    x = 78,379.29

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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.