Home / 102,823.74-141,864.48-57,495.60

Finding the Fourth Proportional to 102,823.74, 141,864.48 and 57,495.60

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Solution

The fourth proportional to 102,823.74, 141,864.48 and 57,495.60 is: 79,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.74 : 141,864.48 = 57,495.60 : x
  2. Step 2: Convert to fraction form
    102,823.74/141,864.48 = 57,495.60/x
  3. Step 3: Cross multiply
    102,823.74x = 141,864.48 × 57,495.60
  4. Step 4: Simplify right side
    102,823.74x = 8,156,583,396.29
  5. Step 5: Solve for x
    x = 8,156,583,396.29/102,823.74
  6. Step 6: Final answer
    x = 79,325.88

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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.