Home / 117,838.02-162,620.14-66,852.90

Finding the Fourth Proportional to 117,838.02, 162,620.14 and 66,852.90

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Solution

The fourth proportional to 117,838.02, 162,620.14 and 66,852.90 is: 92,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,838.02 : 162,620.14 = 66,852.90 : x
  2. Step 2: Convert to fraction form
    117,838.02/162,620.14 = 66,852.90/x
  3. Step 3: Cross multiply
    117,838.02x = 162,620.14 × 66,852.90
  4. Step 4: Simplify right side
    117,838.02x = 10,871,627,957.41
  5. Step 5: Solve for x
    x = 10,871,627,957.41/117,838.02
  6. Step 6: Final answer
    x = 92,259.09

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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.