Home / 77,781.89-116,701.54-62,926.70

Finding the Fourth Proportional to 77,781.89, 116,701.54 and 62,926.70

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Solution

The fourth proportional to 77,781.89, 116,701.54 and 62,926.70 is: 94,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,781.89 : 116,701.54 = 62,926.70 : x
  2. Step 2: Convert to fraction form
    77,781.89/116,701.54 = 62,926.70/x
  3. Step 3: Cross multiply
    77,781.89x = 116,701.54 × 62,926.70
  4. Step 4: Simplify right side
    77,781.89x = 7,343,642,056.29
  5. Step 5: Solve for x
    x = 7,343,642,056.29/77,781.89
  6. Step 6: Final answer
    x = 94,413.26

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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.