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Finding the Fourth Proportional to 78,895, 118,400.82 and 37,342

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Solution

The fourth proportional to 78,895, 118,400.82 and 37,342 is: 56,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895 : 118,400.82 = 37,342 : x
  2. Step 2: Convert to fraction form
    78,895/118,400.82 = 37,342/x
  3. Step 3: Cross multiply
    78,895x = 118,400.82 × 37,342
  4. Step 4: Simplify right side
    78,895x = 4,421,323,420.44
  5. Step 5: Solve for x
    x = 4,421,323,420.44/78,895
  6. Step 6: Final answer
    x = 56,040.60

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