Home / 97,999.86-146,814.81-57,899.19

Finding the Fourth Proportional to 97,999.86, 146,814.81 and 57,899.19

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Solution

The fourth proportional to 97,999.86, 146,814.81 and 57,899.19 is: 86,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,999.86 : 146,814.81 = 57,899.19 : x
  2. Step 2: Convert to fraction form
    97,999.86/146,814.81 = 57,899.19/x
  3. Step 3: Cross multiply
    97,999.86x = 146,814.81 × 57,899.19
  4. Step 4: Simplify right side
    97,999.86x = 8,500,458,579.00
  5. Step 5: Solve for x
    x = 8,500,458,579.00/97,999.86
  6. Step 6: Final answer
    x = 86,739.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.