Home / 56,708.76-78,258.12-32,836.70

Finding the Fourth Proportional to 56,708.76, 78,258.12 and 32,836.70

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Solution

The fourth proportional to 56,708.76, 78,258.12 and 32,836.70 is: 45,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708.76 : 78,258.12 = 32,836.70 : x
  2. Step 2: Convert to fraction form
    56,708.76/78,258.12 = 32,836.70/x
  3. Step 3: Cross multiply
    56,708.76x = 78,258.12 × 32,836.70
  4. Step 4: Simplify right side
    56,708.76x = 2,569,738,409.00
  5. Step 5: Solve for x
    x = 2,569,738,409.00/56,708.76
  6. Step 6: Final answer
    x = 45,314.66

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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.