Home / 53,108.77-73,150.48-40,820.67

Finding the Fourth Proportional to 53,108.77, 73,150.48 and 40,820.67

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Solution

The fourth proportional to 53,108.77, 73,150.48 and 40,820.67 is: 56,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.77 : 73,150.48 = 40,820.67 : x
  2. Step 2: Convert to fraction form
    53,108.77/73,150.48 = 40,820.67/x
  3. Step 3: Cross multiply
    53,108.77x = 73,150.48 × 40,820.67
  4. Step 4: Simplify right side
    53,108.77x = 2,986,052,006.30
  5. Step 5: Solve for x
    x = 2,986,052,006.30/53,108.77
  6. Step 6: Final answer
    x = 56,225.22

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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.