Home / 61,689.61-92,571.27-56,670.45

Finding the Fourth Proportional to 61,689.61, 92,571.27 and 56,670.45

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Solution

The fourth proportional to 61,689.61, 92,571.27 and 56,670.45 is: 85,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,689.61 : 92,571.27 = 56,670.45 : x
  2. Step 2: Convert to fraction form
    61,689.61/92,571.27 = 56,670.45/x
  3. Step 3: Cross multiply
    61,689.61x = 92,571.27 × 56,670.45
  4. Step 4: Simplify right side
    61,689.61x = 5,246,055,527.97
  5. Step 5: Solve for x
    x = 5,246,055,527.97/61,689.61
  6. Step 6: Final answer
    x = 85,039.53

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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.