Home / 104,559.15-156,750.55-45,350.23

Finding the Fourth Proportional to 104,559.15, 156,750.55 and 45,350.23

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Solution

The fourth proportional to 104,559.15, 156,750.55 and 45,350.23 is: 67,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559.15 : 156,750.55 = 45,350.23 : x
  2. Step 2: Convert to fraction form
    104,559.15/156,750.55 = 45,350.23/x
  3. Step 3: Cross multiply
    104,559.15x = 156,750.55 × 45,350.23
  4. Step 4: Simplify right side
    104,559.15x = 7,108,672,989.87
  5. Step 5: Solve for x
    x = 7,108,672,989.87/104,559.15
  6. Step 6: Final answer
    x = 67,987.10

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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.