Home / 84,331.80-116,431.56-52,547.40

Finding the Fourth Proportional to 84,331.80, 116,431.56 and 52,547.40

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Solution

The fourth proportional to 84,331.80, 116,431.56 and 52,547.40 is: 72,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,331.80 : 116,431.56 = 52,547.40 : x
  2. Step 2: Convert to fraction form
    84,331.80/116,431.56 = 52,547.40/x
  3. Step 3: Cross multiply
    84,331.80x = 116,431.56 × 52,547.40
  4. Step 4: Simplify right side
    84,331.80x = 6,118,175,755.94
  5. Step 5: Solve for x
    x = 6,118,175,755.94/84,331.80
  6. Step 6: Final answer
    x = 72,548.86

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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.