Home / 56,780.85-85,139.93-26,352.81

Finding the Fourth Proportional to 56,780.85, 85,139.93 and 26,352.81

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Solution

The fourth proportional to 56,780.85, 85,139.93 and 26,352.81 is: 39,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.85 : 85,139.93 = 26,352.81 : x
  2. Step 2: Convert to fraction form
    56,780.85/85,139.93 = 26,352.81/x
  3. Step 3: Cross multiply
    56,780.85x = 85,139.93 × 26,352.81
  4. Step 4: Simplify right side
    56,780.85x = 2,243,676,266.94
  5. Step 5: Solve for x
    x = 2,243,676,266.94/56,780.85
  6. Step 6: Final answer
    x = 39,514.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.