Home / 77,181.04-115,779.86-24,578.24

Finding the Fourth Proportional to 77,181.04, 115,779.86 and 24,578.24

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Solution

The fourth proportional to 77,181.04, 115,779.86 and 24,578.24 is: 36,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,181.04 : 115,779.86 = 24,578.24 : x
  2. Step 2: Convert to fraction form
    77,181.04/115,779.86 = 24,578.24/x
  3. Step 3: Cross multiply
    77,181.04x = 115,779.86 × 24,578.24
  4. Step 4: Simplify right side
    77,181.04x = 2,845,665,186.25
  5. Step 5: Solve for x
    x = 2,845,665,186.25/77,181.04
  6. Step 6: Final answer
    x = 36,870.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.