Home / 52,302.35-72,195.75-31,081.36

Finding the Fourth Proportional to 52,302.35, 72,195.75 and 31,081.36

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Solution

The fourth proportional to 52,302.35, 72,195.75 and 31,081.36 is: 42,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.35 : 72,195.75 = 31,081.36 : x
  2. Step 2: Convert to fraction form
    52,302.35/72,195.75 = 31,081.36/x
  3. Step 3: Cross multiply
    52,302.35x = 72,195.75 × 31,081.36
  4. Step 4: Simplify right side
    52,302.35x = 2,243,942,051.10
  5. Step 5: Solve for x
    x = 2,243,942,051.10/52,302.35
  6. Step 6: Final answer
    x = 42,903.28

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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.