Home / 75,226.05-103,784.49-45,012.24

Finding the Fourth Proportional to 75,226.05, 103,784.49 and 45,012.24

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Solution

The fourth proportional to 75,226.05, 103,784.49 and 45,012.24 is: 62,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.05 : 103,784.49 = 45,012.24 : x
  2. Step 2: Convert to fraction form
    75,226.05/103,784.49 = 45,012.24/x
  3. Step 3: Cross multiply
    75,226.05x = 103,784.49 × 45,012.24
  4. Step 4: Simplify right side
    75,226.05x = 4,671,572,372.16
  5. Step 5: Solve for x
    x = 4,671,572,372.16/75,226.05
  6. Step 6: Final answer
    x = 62,100.46

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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.