Home / 104,453.11-144,144.48-56,705.50

Finding the Fourth Proportional to 104,453.11, 144,144.48 and 56,705.50

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Solution

The fourth proportional to 104,453.11, 144,144.48 and 56,705.50 is: 78,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,453.11 : 144,144.48 = 56,705.50 : x
  2. Step 2: Convert to fraction form
    104,453.11/144,144.48 = 56,705.50/x
  3. Step 3: Cross multiply
    104,453.11x = 144,144.48 × 56,705.50
  4. Step 4: Simplify right side
    104,453.11x = 8,173,784,810.64
  5. Step 5: Solve for x
    x = 8,173,784,810.64/104,453.11
  6. Step 6: Final answer
    x = 78,253.15

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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.