Home / 61,983.10-85,536.37-33,688.79

Finding the Fourth Proportional to 61,983.10, 85,536.37 and 33,688.79

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Solution

The fourth proportional to 61,983.10, 85,536.37 and 33,688.79 is: 46,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.10 : 85,536.37 = 33,688.79 : x
  2. Step 2: Convert to fraction form
    61,983.10/85,536.37 = 33,688.79/x
  3. Step 3: Cross multiply
    61,983.10x = 85,536.37 × 33,688.79
  4. Step 4: Simplify right side
    61,983.10x = 2,881,616,378.61
  5. Step 5: Solve for x
    x = 2,881,616,378.61/61,983.10
  6. Step 6: Final answer
    x = 46,490.36

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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.