Home / 56,688.83-85,042.37-19,244.96

Finding the Fourth Proportional to 56,688.83, 85,042.37 and 19,244.96

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Solution

The fourth proportional to 56,688.83, 85,042.37 and 19,244.96 is: 28,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.83 : 85,042.37 = 19,244.96 : x
  2. Step 2: Convert to fraction form
    56,688.83/85,042.37 = 19,244.96/x
  3. Step 3: Cross multiply
    56,688.83x = 85,042.37 × 19,244.96
  4. Step 4: Simplify right side
    56,688.83x = 1,636,636,950.76
  5. Step 5: Solve for x
    x = 1,636,636,950.76/56,688.83
  6. Step 6: Final answer
    x = 28,870.54

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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.