Home / 84,115.67-116,079.73-45,875.28

Finding the Fourth Proportional to 84,115.67, 116,079.73 and 45,875.28

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Solution

The fourth proportional to 84,115.67, 116,079.73 and 45,875.28 is: 63,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.67 : 116,079.73 = 45,875.28 : x
  2. Step 2: Convert to fraction form
    84,115.67/116,079.73 = 45,875.28/x
  3. Step 3: Cross multiply
    84,115.67x = 116,079.73 × 45,875.28
  4. Step 4: Simplify right side
    84,115.67x = 5,325,190,116.07
  5. Step 5: Solve for x
    x = 5,325,190,116.07/84,115.67
  6. Step 6: Final answer
    x = 63,307.94

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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.