Home / 55,042.16-75,977.56-32,686

Finding the Fourth Proportional to 55,042.16, 75,977.56 and 32,686

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Solution

The fourth proportional to 55,042.16, 75,977.56 and 32,686 is: 45,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.16 : 75,977.56 = 32,686 : x
  2. Step 2: Convert to fraction form
    55,042.16/75,977.56 = 32,686/x
  3. Step 3: Cross multiply
    55,042.16x = 75,977.56 × 32,686
  4. Step 4: Simplify right side
    55,042.16x = 2,483,402,526.16
  5. Step 5: Solve for x
    x = 2,483,402,526.16/55,042.16
  6. Step 6: Final answer
    x = 45,118.19

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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.