Home / 90,113.36-124,354.23-49,826.06

Finding the Fourth Proportional to 90,113.36, 124,354.23 and 49,826.06

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Solution

The fourth proportional to 90,113.36, 124,354.23 and 49,826.06 is: 68,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,113.36 : 124,354.23 = 49,826.06 : x
  2. Step 2: Convert to fraction form
    90,113.36/124,354.23 = 49,826.06/x
  3. Step 3: Cross multiply
    90,113.36x = 124,354.23 × 49,826.06
  4. Step 4: Simplify right side
    90,113.36x = 6,196,081,325.23
  5. Step 5: Solve for x
    x = 6,196,081,325.23/90,113.36
  6. Step 6: Final answer
    x = 68,758.74

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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.