Home / 89,558.26-123,590.40-49,271.16

Finding the Fourth Proportional to 89,558.26, 123,590.40 and 49,271.16

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Solution

The fourth proportional to 89,558.26, 123,590.40 and 49,271.16 is: 67,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.26 : 123,590.40 = 49,271.16 : x
  2. Step 2: Convert to fraction form
    89,558.26/123,590.40 = 49,271.16/x
  3. Step 3: Cross multiply
    89,558.26x = 123,590.40 × 49,271.16
  4. Step 4: Simplify right side
    89,558.26x = 6,089,442,130.16
  5. Step 5: Solve for x
    x = 6,089,442,130.16/89,558.26
  6. Step 6: Final answer
    x = 67,994.20

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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.