Home / 89,335.86-123,285.48-49,050.30

Finding the Fourth Proportional to 89,335.86, 123,285.48 and 49,050.30

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Solution

The fourth proportional to 89,335.86, 123,285.48 and 49,050.30 is: 67,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.86 : 123,285.48 = 49,050.30 : x
  2. Step 2: Convert to fraction form
    89,335.86/123,285.48 = 49,050.30/x
  3. Step 3: Cross multiply
    89,335.86x = 123,285.48 × 49,050.30
  4. Step 4: Simplify right side
    89,335.86x = 6,047,189,779.64
  5. Step 5: Solve for x
    x = 6,047,189,779.64/89,335.86
  6. Step 6: Final answer
    x = 67,690.51

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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.