Home / 62,442.09-93,639.65-20,311.16

Finding the Fourth Proportional to 62,442.09, 93,639.65 and 20,311.16

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Solution

The fourth proportional to 62,442.09, 93,639.65 and 20,311.16 is: 30,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,442.09 : 93,639.65 = 20,311.16 : x
  2. Step 2: Convert to fraction form
    62,442.09/93,639.65 = 20,311.16/x
  3. Step 3: Cross multiply
    62,442.09x = 93,639.65 × 20,311.16
  4. Step 4: Simplify right side
    62,442.09x = 1,901,929,343.74
  5. Step 5: Solve for x
    x = 1,901,929,343.74/62,442.09
  6. Step 6: Final answer
    x = 30,459.09

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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.