Home / 85,826.38-118,445.27-48,103.06

Finding the Fourth Proportional to 85,826.38, 118,445.27 and 48,103.06

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Solution

The fourth proportional to 85,826.38, 118,445.27 and 48,103.06 is: 66,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.38 : 118,445.27 = 48,103.06 : x
  2. Step 2: Convert to fraction form
    85,826.38/118,445.27 = 48,103.06/x
  3. Step 3: Cross multiply
    85,826.38x = 118,445.27 × 48,103.06
  4. Step 4: Simplify right side
    85,826.38x = 5,697,579,929.53
  5. Step 5: Solve for x
    x = 5,697,579,929.53/85,826.38
  6. Step 6: Final answer
    x = 66,384.95

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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.