Home / 74,358.36-102,633.48-42,537.24

Finding the Fourth Proportional to 74,358.36, 102,633.48 and 42,537.24

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Solution

The fourth proportional to 74,358.36, 102,633.48 and 42,537.24 is: 58,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,358.36 : 102,633.48 = 42,537.24 : x
  2. Step 2: Convert to fraction form
    74,358.36/102,633.48 = 42,537.24/x
  3. Step 3: Cross multiply
    74,358.36x = 102,633.48 × 42,537.24
  4. Step 4: Simplify right side
    74,358.36x = 4,365,744,970.80
  5. Step 5: Solve for x
    x = 4,365,744,970.80/74,358.36
  6. Step 6: Final answer
    x = 58,712.23

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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.