Home / 76,162.15-105,107.37-45,946.82

Finding the Fourth Proportional to 76,162.15, 105,107.37 and 45,946.82

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Solution

The fourth proportional to 76,162.15, 105,107.37 and 45,946.82 is: 63,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,162.15 : 105,107.37 = 45,946.82 : x
  2. Step 2: Convert to fraction form
    76,162.15/105,107.37 = 45,946.82/x
  3. Step 3: Cross multiply
    76,162.15x = 105,107.37 × 45,946.82
  4. Step 4: Simplify right side
    76,162.15x = 4,829,349,888.21
  5. Step 5: Solve for x
    x = 4,829,349,888.21/76,162.15
  6. Step 6: Final answer
    x = 63,408.79

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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.