Home / 75,026.45-112,349.23-45,021.83

Finding the Fourth Proportional to 75,026.45, 112,349.23 and 45,021.83

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Solution

The fourth proportional to 75,026.45, 112,349.23 and 45,021.83 is: 67,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,026.45 : 112,349.23 = 45,021.83 : x
  2. Step 2: Convert to fraction form
    75,026.45/112,349.23 = 45,021.83/x
  3. Step 3: Cross multiply
    75,026.45x = 112,349.23 × 45,021.83
  4. Step 4: Simplify right side
    75,026.45x = 5,058,167,259.39
  5. Step 5: Solve for x
    x = 5,058,167,259.39/75,026.45
  6. Step 6: Final answer
    x = 67,418.45

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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.