Home / 104,452.80-144,144.96-56,706.12

Finding the Fourth Proportional to 104,452.80, 144,144.96 and 56,706.12

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Solution

The fourth proportional to 104,452.80, 144,144.96 and 56,706.12 is: 78,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,452.80 : 144,144.96 = 56,706.12 : x
  2. Step 2: Convert to fraction form
    104,452.80/144,144.96 = 56,706.12/x
  3. Step 3: Cross multiply
    104,452.80x = 144,144.96 × 56,706.12
  4. Step 4: Simplify right side
    104,452.80x = 8,173,901,399.16
  5. Step 5: Solve for x
    x = 8,173,901,399.16/104,452.80
  6. Step 6: Final answer
    x = 78,254.50

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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.