Home / 145,329.96-218,050.30-50,570.68

Finding the Fourth Proportional to 145,329.96, 218,050.30 and 50,570.68

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Solution

The fourth proportional to 145,329.96, 218,050.30 and 50,570.68 is: 75,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,329.96 : 218,050.30 = 50,570.68 : x
  2. Step 2: Convert to fraction form
    145,329.96/218,050.30 = 50,570.68/x
  3. Step 3: Cross multiply
    145,329.96x = 218,050.30 × 50,570.68
  4. Step 4: Simplify right side
    145,329.96x = 11,026,951,945.20
  5. Step 5: Solve for x
    x = 11,026,951,945.20/145,329.96
  6. Step 6: Final answer
    x = 75,875.28

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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.