Home / 66,694.48-92,041.33-38,409.28

Finding the Fourth Proportional to 66,694.48, 92,041.33 and 38,409.28

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Solution

The fourth proportional to 66,694.48, 92,041.33 and 38,409.28 is: 53,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,694.48 : 92,041.33 = 38,409.28 : x
  2. Step 2: Convert to fraction form
    66,694.48/92,041.33 = 38,409.28/x
  3. Step 3: Cross multiply
    66,694.48x = 92,041.33 × 38,409.28
  4. Step 4: Simplify right side
    66,694.48x = 3,535,241,215.54
  5. Step 5: Solve for x
    x = 3,535,241,215.54/66,694.48
  6. Step 6: Final answer
    x = 53,006.50

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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.