Home / 66,816.74-92,208.59-38,135.82

Finding the Fourth Proportional to 66,816.74, 92,208.59 and 38,135.82

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Solution

The fourth proportional to 66,816.74, 92,208.59 and 38,135.82 is: 52,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,816.74 : 92,208.59 = 38,135.82 : x
  2. Step 2: Convert to fraction form
    66,816.74/92,208.59 = 38,135.82/x
  3. Step 3: Cross multiply
    66,816.74x = 92,208.59 × 38,135.82
  4. Step 4: Simplify right side
    66,816.74x = 3,516,450,000.01
  5. Step 5: Solve for x
    x = 3,516,450,000.01/66,816.74
  6. Step 6: Final answer
    x = 52,628.28

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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.