Home / 75,230.04-103,822.38-43,400.28

Finding the Fourth Proportional to 75,230.04, 103,822.38 and 43,400.28

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Solution

The fourth proportional to 75,230.04, 103,822.38 and 43,400.28 is: 59,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,230.04 : 103,822.38 = 43,400.28 : x
  2. Step 2: Convert to fraction form
    75,230.04/103,822.38 = 43,400.28/x
  3. Step 3: Cross multiply
    75,230.04x = 103,822.38 × 43,400.28
  4. Step 4: Simplify right side
    75,230.04x = 4,505,920,362.27
  5. Step 5: Solve for x
    x = 4,505,920,362.27/75,230.04
  6. Step 6: Final answer
    x = 59,895.23

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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.