Home / 90,263.19-124,563.32-49,427.11

Finding the Fourth Proportional to 90,263.19, 124,563.32 and 49,427.11

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Solution

The fourth proportional to 90,263.19, 124,563.32 and 49,427.11 is: 68,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.19 : 124,563.32 = 49,427.11 : x
  2. Step 2: Convert to fraction form
    90,263.19/124,563.32 = 49,427.11/x
  3. Step 3: Cross multiply
    90,263.19x = 124,563.32 × 49,427.11
  4. Step 4: Simplify right side
    90,263.19x = 6,156,805,013.53
  5. Step 5: Solve for x
    x = 6,156,805,013.53/90,263.19
  6. Step 6: Final answer
    x = 68,209.48

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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.