Home / 62,442.58-93,657.72-20,320.96

Finding the Fourth Proportional to 62,442.58, 93,657.72 and 20,320.96

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Solution

The fourth proportional to 62,442.58, 93,657.72 and 20,320.96 is: 30,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,442.58 : 93,657.72 = 20,320.96 : x
  2. Step 2: Convert to fraction form
    62,442.58/93,657.72 = 20,320.96/x
  3. Step 3: Cross multiply
    62,442.58x = 93,657.72 × 20,320.96
  4. Step 4: Simplify right side
    62,442.58x = 1,903,214,781.81
  5. Step 5: Solve for x
    x = 1,903,214,781.81/62,442.58
  6. Step 6: Final answer
    x = 30,479.44

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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.