Home / 66,770.18-92,153.66-38,090.51

Finding the Fourth Proportional to 66,770.18, 92,153.66 and 38,090.51

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Solution

The fourth proportional to 66,770.18, 92,153.66 and 38,090.51 is: 52,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.18 : 92,153.66 = 38,090.51 : x
  2. Step 2: Convert to fraction form
    66,770.18/92,153.66 = 38,090.51/x
  3. Step 3: Cross multiply
    66,770.18x = 92,153.66 × 38,090.51
  4. Step 4: Simplify right side
    66,770.18x = 3,510,179,907.77
  5. Step 5: Solve for x
    x = 3,510,179,907.77/66,770.18
  6. Step 6: Final answer
    x = 52,571.07

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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.