Home / 101,152.91-139,638.26-58,703.24

Finding the Fourth Proportional to 101,152.91, 139,638.26 and 58,703.24

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Solution

The fourth proportional to 101,152.91, 139,638.26 and 58,703.24 is: 81,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,152.91 : 139,638.26 = 58,703.24 : x
  2. Step 2: Convert to fraction form
    101,152.91/139,638.26 = 58,703.24/x
  3. Step 3: Cross multiply
    101,152.91x = 139,638.26 × 58,703.24
  4. Step 4: Simplify right side
    101,152.91x = 8,197,218,289.96
  5. Step 5: Solve for x
    x = 8,197,218,289.96/101,152.91
  6. Step 6: Final answer
    x = 81,037.89

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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.