Home / 117,332.48-162,052.46-79,541.12

Finding the Fourth Proportional to 117,332.48, 162,052.46 and 79,541.12

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Solution

The fourth proportional to 117,332.48, 162,052.46 and 79,541.12 is: 109,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,332.48 : 162,052.46 = 79,541.12 : x
  2. Step 2: Convert to fraction form
    117,332.48/162,052.46 = 79,541.12/x
  3. Step 3: Cross multiply
    117,332.48x = 162,052.46 × 79,541.12
  4. Step 4: Simplify right side
    117,332.48x = 12,889,834,167.16
  5. Step 5: Solve for x
    x = 12,889,834,167.16/117,332.48
  6. Step 6: Final answer
    x = 109,857.34

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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.