Home / 66,847.04-100,270.56-54,307.52

Finding the Fourth Proportional to 66,847.04, 100,270.56 and 54,307.52

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Solution

The fourth proportional to 66,847.04, 100,270.56 and 54,307.52 is: 81,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.04 : 100,270.56 = 54,307.52 : x
  2. Step 2: Convert to fraction form
    66,847.04/100,270.56 = 54,307.52/x
  3. Step 3: Cross multiply
    66,847.04x = 100,270.56 × 54,307.52
  4. Step 4: Simplify right side
    66,847.04x = 5,445,445,442.61
  5. Step 5: Solve for x
    x = 5,445,445,442.61/66,847.04
  6. Step 6: Final answer
    x = 81,461.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.