Home / 125,120.63-172,666.22-67,759.77

Finding the Fourth Proportional to 125,120.63, 172,666.22 and 67,759.77

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Solution

The fourth proportional to 125,120.63, 172,666.22 and 67,759.77 is: 93,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,120.63 : 172,666.22 = 67,759.77 : x
  2. Step 2: Convert to fraction form
    125,120.63/172,666.22 = 67,759.77/x
  3. Step 3: Cross multiply
    125,120.63x = 172,666.22 × 67,759.77
  4. Step 4: Simplify right side
    125,120.63x = 11,699,823,662.67
  5. Step 5: Solve for x
    x = 11,699,823,662.67/125,120.63
  6. Step 6: Final answer
    x = 93,508.35

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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.