Home / 75,468.24-104,129.28-43,636.32

Finding the Fourth Proportional to 75,468.24, 104,129.28 and 43,636.32

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Solution

The fourth proportional to 75,468.24, 104,129.28 and 43,636.32 is: 60,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,468.24 : 104,129.28 = 43,636.32 : x
  2. Step 2: Convert to fraction form
    75,468.24/104,129.28 = 43,636.32/x
  3. Step 3: Cross multiply
    75,468.24x = 104,129.28 × 43,636.32
  4. Step 4: Simplify right side
    75,468.24x = 4,543,818,583.45
  5. Step 5: Solve for x
    x = 4,543,818,583.45/75,468.24
  6. Step 6: Final answer
    x = 60,208.35

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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.