Home / 56,826.76-78,419.04-35,617.72

Finding the Fourth Proportional to 56,826.76, 78,419.04 and 35,617.72

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Solution

The fourth proportional to 56,826.76, 78,419.04 and 35,617.72 is: 49,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,826.76 : 78,419.04 = 35,617.72 : x
  2. Step 2: Convert to fraction form
    56,826.76/78,419.04 = 35,617.72/x
  3. Step 3: Cross multiply
    56,826.76x = 78,419.04 × 35,617.72
  4. Step 4: Simplify right side
    56,826.76x = 2,793,107,409.39
  5. Step 5: Solve for x
    x = 2,793,107,409.39/56,826.76
  6. Step 6: Final answer
    x = 49,151.27

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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.