Home / 61,929.78-93,003.75-46,139.10

Finding the Fourth Proportional to 61,929.78, 93,003.75 and 46,139.10

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Solution

The fourth proportional to 61,929.78, 93,003.75 and 46,139.10 is: 69,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.78 : 93,003.75 = 46,139.10 : x
  2. Step 2: Convert to fraction form
    61,929.78/93,003.75 = 46,139.10/x
  3. Step 3: Cross multiply
    61,929.78x = 93,003.75 × 46,139.10
  4. Step 4: Simplify right side
    61,929.78x = 4,291,109,321.63
  5. Step 5: Solve for x
    x = 4,291,109,321.63/61,929.78
  6. Step 6: Final answer
    x = 69,289.92

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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.