Home / 76,166.64-105,077.39-45,934.77

Finding the Fourth Proportional to 76,166.64, 105,077.39 and 45,934.77

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Solution

The fourth proportional to 76,166.64, 105,077.39 and 45,934.77 is: 63,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,166.64 : 105,077.39 = 45,934.77 : x
  2. Step 2: Convert to fraction form
    76,166.64/105,077.39 = 45,934.77/x
  3. Step 3: Cross multiply
    76,166.64x = 105,077.39 × 45,934.77
  4. Step 4: Simplify right side
    76,166.64x = 4,826,705,741.85
  5. Step 5: Solve for x
    x = 4,826,705,741.85/76,166.64
  6. Step 6: Final answer
    x = 63,370.34

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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.