Home / 56,817.06-78,378.71-43,364.96

Finding the Fourth Proportional to 56,817.06, 78,378.71 and 43,364.96

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Solution

The fourth proportional to 56,817.06, 78,378.71 and 43,364.96 is: 59,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.06 : 78,378.71 = 43,364.96 : x
  2. Step 2: Convert to fraction form
    56,817.06/78,378.71 = 43,364.96/x
  3. Step 3: Cross multiply
    56,817.06x = 78,378.71 × 43,364.96
  4. Step 4: Simplify right side
    56,817.06x = 3,398,889,603.12
  5. Step 5: Solve for x
    x = 3,398,889,603.12/56,817.06
  6. Step 6: Final answer
    x = 59,821.64

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1.5x scale

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.