Home / 66,770.58-92,153.52-38,090.10

Finding the Fourth Proportional to 66,770.58, 92,153.52 and 38,090.10

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Solution

The fourth proportional to 66,770.58, 92,153.52 and 38,090.10 is: 52,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.58 : 92,153.52 = 38,090.10 : x
  2. Step 2: Convert to fraction form
    66,770.58/92,153.52 = 38,090.10/x
  3. Step 3: Cross multiply
    66,770.58x = 92,153.52 × 38,090.10
  4. Step 4: Simplify right side
    66,770.58x = 3,510,136,792.15
  5. Step 5: Solve for x
    x = 3,510,136,792.15/66,770.58
  6. Step 6: Final answer
    x = 52,570.11

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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.