Home / 76,879.45-106,091.07-45,047.66

Finding the Fourth Proportional to 76,879.45, 106,091.07 and 45,047.66

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Solution

The fourth proportional to 76,879.45, 106,091.07 and 45,047.66 is: 62,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,879.45 : 106,091.07 = 45,047.66 : x
  2. Step 2: Convert to fraction form
    76,879.45/106,091.07 = 45,047.66/x
  3. Step 3: Cross multiply
    76,879.45x = 106,091.07 × 45,047.66
  4. Step 4: Simplify right side
    76,879.45x = 4,779,154,450.40
  5. Step 5: Solve for x
    x = 4,779,154,450.40/76,879.45
  6. Step 6: Final answer
    x = 62,164.27

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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.