Home / 76,328.75-105,331.19-46,108.81

Finding the Fourth Proportional to 76,328.75, 105,331.19 and 46,108.81

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Solution

The fourth proportional to 76,328.75, 105,331.19 and 46,108.81 is: 63,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328.75 : 105,331.19 = 46,108.81 : x
  2. Step 2: Convert to fraction form
    76,328.75/105,331.19 = 46,108.81/x
  3. Step 3: Cross multiply
    76,328.75x = 105,331.19 × 46,108.81
  4. Step 4: Simplify right side
    76,328.75x = 4,856,695,826.78
  5. Step 5: Solve for x
    x = 4,856,695,826.78/76,328.75
  6. Step 6: Final answer
    x = 63,628.66

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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.