Home / 62,580.48-93,876.47-20,460.78

Finding the Fourth Proportional to 62,580.48, 93,876.47 and 20,460.78

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Solution

The fourth proportional to 62,580.48, 93,876.47 and 20,460.78 is: 30,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,580.48 : 93,876.47 = 20,460.78 : x
  2. Step 2: Convert to fraction form
    62,580.48/93,876.47 = 20,460.78/x
  3. Step 3: Cross multiply
    62,580.48x = 93,876.47 × 20,460.78
  4. Step 4: Simplify right side
    62,580.48x = 1,920,785,774.27
  5. Step 5: Solve for x
    x = 1,920,785,774.27/62,580.48
  6. Step 6: Final answer
    x = 30,693.05

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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.