Home / 89,558.13-123,590.21-49,271.02

Finding the Fourth Proportional to 89,558.13, 123,590.21 and 49,271.02

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Solution

The fourth proportional to 89,558.13, 123,590.21 and 49,271.02 is: 67,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,558.13 : 123,590.21 = 49,271.02 : x
  2. Step 2: Convert to fraction form
    89,558.13/123,590.21 = 49,271.02/x
  3. Step 3: Cross multiply
    89,558.13x = 123,590.21 × 49,271.02
  4. Step 4: Simplify right side
    89,558.13x = 6,089,415,708.71
  5. Step 5: Solve for x
    x = 6,089,415,708.71/89,558.13
  6. Step 6: Final answer
    x = 67,994.00

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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.