Home / 77,026.40-115,548.60-24,441.20

Finding the Fourth Proportional to 77,026.40, 115,548.60 and 24,441.20

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Solution

The fourth proportional to 77,026.40, 115,548.60 and 24,441.20 is: 36,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,026.40 : 115,548.60 = 24,441.20 : x
  2. Step 2: Convert to fraction form
    77,026.40/115,548.60 = 24,441.20/x
  3. Step 3: Cross multiply
    77,026.40x = 115,548.60 × 24,441.20
  4. Step 4: Simplify right side
    77,026.40x = 2,824,146,442.32
  5. Step 5: Solve for x
    x = 2,824,146,442.32/77,026.40
  6. Step 6: Final answer
    x = 36,664.66

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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.