Home / 61,302.24-84,635.82-40,117.32

Finding the Fourth Proportional to 61,302.24, 84,635.82 and 40,117.32

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Solution

The fourth proportional to 61,302.24, 84,635.82 and 40,117.32 is: 55,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.24 : 84,635.82 = 40,117.32 : x
  2. Step 2: Convert to fraction form
    61,302.24/84,635.82 = 40,117.32/x
  3. Step 3: Cross multiply
    61,302.24x = 84,635.82 × 40,117.32
  4. Step 4: Simplify right side
    61,302.24x = 3,395,362,274.40
  5. Step 5: Solve for x
    x = 3,395,362,274.40/61,302.24
  6. Step 6: Final answer
    x = 55,387.25

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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.