Home / 76,334.49-105,338.75-42,798.33

Finding the Fourth Proportional to 76,334.49, 105,338.75 and 42,798.33

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Solution

The fourth proportional to 76,334.49, 105,338.75 and 42,798.33 is: 59,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,334.49 : 105,338.75 = 42,798.33 : x
  2. Step 2: Convert to fraction form
    76,334.49/105,338.75 = 42,798.33/x
  3. Step 3: Cross multiply
    76,334.49x = 105,338.75 × 42,798.33
  4. Step 4: Simplify right side
    76,334.49x = 4,508,322,370.30
  5. Step 5: Solve for x
    x = 4,508,322,370.30/76,334.49
  6. Step 6: Final answer
    x = 59,060.10

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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.