Home / 125,063.37-172,604.66-76,694.22

Finding the Fourth Proportional to 125,063.37, 172,604.66 and 76,694.22

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Solution

The fourth proportional to 125,063.37, 172,604.66 and 76,694.22 is: 105,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,063.37 : 172,604.66 = 76,694.22 : x
  2. Step 2: Convert to fraction form
    125,063.37/172,604.66 = 76,694.22/x
  3. Step 3: Cross multiply
    125,063.37x = 172,604.66 × 76,694.22
  4. Step 4: Simplify right side
    125,063.37x = 13,237,779,383.59
  5. Step 5: Solve for x
    x = 13,237,779,383.59/125,063.37
  6. Step 6: Final answer
    x = 105,848.57

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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.