Home / 56,951.28-78,596.28-31,457.52

Finding the Fourth Proportional to 56,951.28, 78,596.28 and 31,457.52

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Solution

The fourth proportional to 56,951.28, 78,596.28 and 31,457.52 is: 43,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.28 : 78,596.28 = 31,457.52 : x
  2. Step 2: Convert to fraction form
    56,951.28/78,596.28 = 31,457.52/x
  3. Step 3: Cross multiply
    56,951.28x = 78,596.28 × 31,457.52
  4. Step 4: Simplify right side
    56,951.28x = 2,472,444,050.03
  5. Step 5: Solve for x
    x = 2,472,444,050.03/56,951.28
  6. Step 6: Final answer
    x = 43,413.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.