Home / 67,899.06-101,740.86-45,630.54

Finding the Fourth Proportional to 67,899.06, 101,740.86 and 45,630.54

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Solution

The fourth proportional to 67,899.06, 101,740.86 and 45,630.54 is: 68,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.06 : 101,740.86 = 45,630.54 : x
  2. Step 2: Convert to fraction form
    67,899.06/101,740.86 = 45,630.54/x
  3. Step 3: Cross multiply
    67,899.06x = 101,740.86 × 45,630.54
  4. Step 4: Simplify right side
    67,899.06x = 4,642,490,381.86
  5. Step 5: Solve for x
    x = 4,642,490,381.86/67,899.06
  6. Step 6: Final answer
    x = 68,373.41

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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.