Home / 104,575.21-144,313.68-56,828.46

Finding the Fourth Proportional to 104,575.21, 144,313.68 and 56,828.46

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Solution

The fourth proportional to 104,575.21, 144,313.68 and 56,828.46 is: 78,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575.21 : 144,313.68 = 56,828.46 : x
  2. Step 2: Convert to fraction form
    104,575.21/144,313.68 = 56,828.46/x
  3. Step 3: Cross multiply
    104,575.21x = 144,313.68 × 56,828.46
  4. Step 4: Simplify right side
    104,575.21x = 8,201,124,191.33
  5. Step 5: Solve for x
    x = 8,201,124,191.33/104,575.21
  6. Step 6: Final answer
    x = 78,423.22

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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.