Home / 75,684.24-104,486.15-45,476.91

Finding the Fourth Proportional to 75,684.24, 104,486.15 and 45,476.91

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Solution

The fourth proportional to 75,684.24, 104,486.15 and 45,476.91 is: 62,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.24 : 104,486.15 = 45,476.91 : x
  2. Step 2: Convert to fraction form
    75,684.24/104,486.15 = 45,476.91/x
  3. Step 3: Cross multiply
    75,684.24x = 104,486.15 × 45,476.91
  4. Step 4: Simplify right side
    75,684.24x = 4,751,707,353.49
  5. Step 5: Solve for x
    x = 4,751,707,353.49/75,684.24
  6. Step 6: Final answer
    x = 62,783.31

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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.