Home / 78,254.07-117,390.42-24,927.32

Finding the Fourth Proportional to 78,254.07, 117,390.42 and 24,927.32

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Solution

The fourth proportional to 78,254.07, 117,390.42 and 24,927.32 is: 37,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,254.07 : 117,390.42 = 24,927.32 : x
  2. Step 2: Convert to fraction form
    78,254.07/117,390.42 = 24,927.32/x
  3. Step 3: Cross multiply
    78,254.07x = 117,390.42 × 24,927.32
  4. Step 4: Simplify right side
    78,254.07x = 2,926,227,977.32
  5. Step 5: Solve for x
    x = 2,926,227,977.32/78,254.07
  6. Step 6: Final answer
    x = 37,393.94

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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.