Home / 117,835.28-162,423.50-79,582.52

Finding the Fourth Proportional to 117,835.28, 162,423.50 and 79,582.52

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Solution

The fourth proportional to 117,835.28, 162,423.50 and 79,582.52 is: 109,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835.28 : 162,423.50 = 79,582.52 : x
  2. Step 2: Convert to fraction form
    117,835.28/162,423.50 = 79,582.52/x
  3. Step 3: Cross multiply
    117,835.28x = 162,423.50 × 79,582.52
  4. Step 4: Simplify right side
    117,835.28x = 12,926,071,437.22
  5. Step 5: Solve for x
    x = 12,926,071,437.22/117,835.28
  6. Step 6: Final answer
    x = 109,696.11

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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.