Home / 78,523.18-117,798.00-36,386.17

Finding the Fourth Proportional to 78,523.18, 117,798.00 and 36,386.17

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Solution

The fourth proportional to 78,523.18, 117,798.00 and 36,386.17 is: 54,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,523.18 : 117,798.00 = 36,386.17 : x
  2. Step 2: Convert to fraction form
    78,523.18/117,798.00 = 36,386.17/x
  3. Step 3: Cross multiply
    78,523.18x = 117,798.00 × 36,386.17
  4. Step 4: Simplify right side
    78,523.18x = 4,286,217,622.72
  5. Step 5: Solve for x
    x = 4,286,217,622.72/78,523.18
  6. Step 6: Final answer
    x = 54,585.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.