Home / 104,630.19-144,391.30-56,883.72

Finding the Fourth Proportional to 104,630.19, 144,391.30 and 56,883.72

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Solution

The fourth proportional to 104,630.19, 144,391.30 and 56,883.72 is: 78,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.19 : 144,391.30 = 56,883.72 : x
  2. Step 2: Convert to fraction form
    104,630.19/144,391.30 = 56,883.72/x
  3. Step 3: Cross multiply
    104,630.19x = 144,391.30 × 56,883.72
  4. Step 4: Simplify right side
    104,630.19x = 8,213,514,279.64
  5. Step 5: Solve for x
    x = 8,213,514,279.64/104,630.19
  6. Step 6: Final answer
    x = 78,500.42

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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.