Home / 76,688.10-105,858.09-44,866.98

Finding the Fourth Proportional to 76,688.10, 105,858.09 and 44,866.98

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Solution

The fourth proportional to 76,688.10, 105,858.09 and 44,866.98 is: 61,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688.10 : 105,858.09 = 44,866.98 : x
  2. Step 2: Convert to fraction form
    76,688.10/105,858.09 = 44,866.98/x
  3. Step 3: Cross multiply
    76,688.10x = 105,858.09 × 44,866.98
  4. Step 4: Simplify right side
    76,688.10x = 4,749,532,806.87
  5. Step 5: Solve for x
    x = 4,749,532,806.87/76,688.10
  6. Step 6: Final answer
    x = 61,933.11

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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.