Home / 75,621.54-104,356.71-42,087.54

Finding the Fourth Proportional to 75,621.54, 104,356.71 and 42,087.54

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Solution

The fourth proportional to 75,621.54, 104,356.71 and 42,087.54 is: 58,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.54 : 104,356.71 = 42,087.54 : x
  2. Step 2: Convert to fraction form
    75,621.54/104,356.71 = 42,087.54/x
  3. Step 3: Cross multiply
    75,621.54x = 104,356.71 × 42,087.54
  4. Step 4: Simplify right side
    75,621.54x = 4,392,117,206.39
  5. Step 5: Solve for x
    x = 4,392,117,206.39/75,621.54
  6. Step 6: Final answer
    x = 58,080.24

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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.