Home / 85,674.49-118,284.39-55,060

Finding the Fourth Proportional to 85,674.49, 118,284.39 and 55,060

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Solution

The fourth proportional to 85,674.49, 118,284.39 and 55,060 is: 76,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,674.49 : 118,284.39 = 55,060 : x
  2. Step 2: Convert to fraction form
    85,674.49/118,284.39 = 55,060/x
  3. Step 3: Cross multiply
    85,674.49x = 118,284.39 × 55,060
  4. Step 4: Simplify right side
    85,674.49x = 6,512,738,513.40
  5. Step 5: Solve for x
    x = 6,512,738,513.40/85,674.49
  6. Step 6: Final answer
    x = 76,017.24

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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.