Home / 75,378.96-113,070.84-37,918.56

Finding the Fourth Proportional to 75,378.96, 113,070.84 and 37,918.56

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Solution

The fourth proportional to 75,378.96, 113,070.84 and 37,918.56 is: 56,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,378.96 : 113,070.84 = 37,918.56 : x
  2. Step 2: Convert to fraction form
    75,378.96/113,070.84 = 37,918.56/x
  3. Step 3: Cross multiply
    75,378.96x = 113,070.84 × 37,918.56
  4. Step 4: Simplify right side
    75,378.96x = 4,287,483,430.79
  5. Step 5: Solve for x
    x = 4,287,483,430.79/75,378.96
  6. Step 6: Final answer
    x = 56,879.05

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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.