Home / 69,460.09-95,852.94-40,779.28

Finding the Fourth Proportional to 69,460.09, 95,852.94 and 40,779.28

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Solution

The fourth proportional to 69,460.09, 95,852.94 and 40,779.28 is: 56,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,460.09 : 95,852.94 = 40,779.28 : x
  2. Step 2: Convert to fraction form
    69,460.09/95,852.94 = 40,779.28/x
  3. Step 3: Cross multiply
    69,460.09x = 95,852.94 × 40,779.28
  4. Step 4: Simplify right side
    69,460.09x = 3,908,813,879.08
  5. Step 5: Solve for x
    x = 3,908,813,879.08/69,460.09
  6. Step 6: Final answer
    x = 56,274.24

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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.