Home / 62,547.08-93,841.38-20,428.54

Finding the Fourth Proportional to 62,547.08, 93,841.38 and 20,428.54

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Solution

The fourth proportional to 62,547.08, 93,841.38 and 20,428.54 is: 30,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,547.08 : 93,841.38 = 20,428.54 : x
  2. Step 2: Convert to fraction form
    62,547.08/93,841.38 = 20,428.54/x
  3. Step 3: Cross multiply
    62,547.08x = 93,841.38 × 20,428.54
  4. Step 4: Simplify right side
    62,547.08x = 1,917,042,384.99
  5. Step 5: Solve for x
    x = 1,917,042,384.99/62,547.08
  6. Step 6: Final answer
    x = 30,649.59

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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.