Home / 76,328.48-105,339.94-44,496.68

Finding the Fourth Proportional to 76,328.48, 105,339.94 and 44,496.68

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Solution

The fourth proportional to 76,328.48, 105,339.94 and 44,496.68 is: 61,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328.48 : 105,339.94 = 44,496.68 : x
  2. Step 2: Convert to fraction form
    76,328.48/105,339.94 = 44,496.68/x
  3. Step 3: Cross multiply
    76,328.48x = 105,339.94 × 44,496.68
  4. Step 4: Simplify right side
    76,328.48x = 4,687,277,601.40
  5. Step 5: Solve for x
    x = 4,687,277,601.40/76,328.48
  6. Step 6: Final answer
    x = 61,409.29

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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.