Home / 61,198.36-84,386.28-42,302.68

Finding the Fourth Proportional to 61,198.36, 84,386.28 and 42,302.68

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Solution

The fourth proportional to 61,198.36, 84,386.28 and 42,302.68 is: 58,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.36 : 84,386.28 = 42,302.68 : x
  2. Step 2: Convert to fraction form
    61,198.36/84,386.28 = 42,302.68/x
  3. Step 3: Cross multiply
    61,198.36x = 84,386.28 × 42,302.68
  4. Step 4: Simplify right side
    61,198.36x = 3,569,765,799.23
  5. Step 5: Solve for x
    x = 3,569,765,799.23/61,198.36
  6. Step 6: Final answer
    x = 58,331.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.