Home / 118,384.85-163,360.36-66,710.36

Finding the Fourth Proportional to 118,384.85, 163,360.36 and 66,710.36

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Solution

The fourth proportional to 118,384.85, 163,360.36 and 66,710.36 is: 92,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,384.85 : 163,360.36 = 66,710.36 : x
  2. Step 2: Convert to fraction form
    118,384.85/163,360.36 = 66,710.36/x
  3. Step 3: Cross multiply
    118,384.85x = 163,360.36 × 66,710.36
  4. Step 4: Simplify right side
    118,384.85x = 10,897,828,425.33
  5. Step 5: Solve for x
    x = 10,897,828,425.33/118,384.85
  6. Step 6: Final answer
    x = 92,054.25

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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.