Home / 117,534.02-162,200.60-66,545.94

Finding the Fourth Proportional to 117,534.02, 162,200.60 and 66,545.94

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Solution

The fourth proportional to 117,534.02, 162,200.60 and 66,545.94 is: 91,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534.02 : 162,200.60 = 66,545.94 : x
  2. Step 2: Convert to fraction form
    117,534.02/162,200.60 = 66,545.94/x
  3. Step 3: Cross multiply
    117,534.02x = 162,200.60 × 66,545.94
  4. Step 4: Simplify right side
    117,534.02x = 10,793,791,395.56
  5. Step 5: Solve for x
    x = 10,793,791,395.56/117,534.02
  6. Step 6: Final answer
    x = 91,835.47

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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.