Home / 84,352.16-116,422.18-54,175.62

Finding the Fourth Proportional to 84,352.16, 116,422.18 and 54,175.62

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Solution

The fourth proportional to 84,352.16, 116,422.18 and 54,175.62 is: 74,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,352.16 : 116,422.18 = 54,175.62 : x
  2. Step 2: Convert to fraction form
    84,352.16/116,422.18 = 54,175.62/x
  3. Step 3: Cross multiply
    84,352.16x = 116,422.18 × 54,175.62
  4. Step 4: Simplify right side
    84,352.16x = 6,307,243,783.25
  5. Step 5: Solve for x
    x = 6,307,243,783.25/84,352.16
  6. Step 6: Final answer
    x = 74,772.76

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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.