Home / 90,182.23-124,455.15-49,895.34

Finding the Fourth Proportional to 90,182.23, 124,455.15 and 49,895.34

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Solution

The fourth proportional to 90,182.23, 124,455.15 and 49,895.34 is: 68,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,182.23 : 124,455.15 = 49,895.34 : x
  2. Step 2: Convert to fraction form
    90,182.23/124,455.15 = 49,895.34/x
  3. Step 3: Cross multiply
    90,182.23x = 124,455.15 × 49,895.34
  4. Step 4: Simplify right side
    90,182.23x = 6,209,731,899.26
  5. Step 5: Solve for x
    x = 6,209,731,899.26/90,182.23
  6. Step 6: Final answer
    x = 68,857.60

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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.