Home / 57,639.06-85,955.74-51,267.60

Finding the Fourth Proportional to 57,639.06, 85,955.74 and 51,267.60

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Solution

The fourth proportional to 57,639.06, 85,955.74 and 51,267.60 is: 76,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.06 : 85,955.74 = 51,267.60 : x
  2. Step 2: Convert to fraction form
    57,639.06/85,955.74 = 51,267.60/x
  3. Step 3: Cross multiply
    57,639.06x = 85,955.74 × 51,267.60
  4. Step 4: Simplify right side
    57,639.06x = 4,406,744,367.86
  5. Step 5: Solve for x
    x = 4,406,744,367.86/57,639.06
  6. Step 6: Final answer
    x = 76,454.13

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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.