Home / 61,731.86-92,055.69-61,170.50

Finding the Fourth Proportional to 61,731.86, 92,055.69 and 61,170.50

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Solution

The fourth proportional to 61,731.86, 92,055.69 and 61,170.50 is: 91,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,731.86 : 92,055.69 = 61,170.50 : x
  2. Step 2: Convert to fraction form
    61,731.86/92,055.69 = 61,170.50/x
  3. Step 3: Cross multiply
    61,731.86x = 92,055.69 × 61,170.50
  4. Step 4: Simplify right side
    61,731.86x = 5,631,092,279.29
  5. Step 5: Solve for x
    x = 5,631,092,279.29/61,731.86
  6. Step 6: Final answer
    x = 91,218.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.