Home / 117,055.55-161,536.34-63,341.48

Finding the Fourth Proportional to 117,055.55, 161,536.34 and 63,341.48

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Solution

The fourth proportional to 117,055.55, 161,536.34 and 63,341.48 is: 87,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,055.55 : 161,536.34 = 63,341.48 : x
  2. Step 2: Convert to fraction form
    117,055.55/161,536.34 = 63,341.48/x
  3. Step 3: Cross multiply
    117,055.55x = 161,536.34 × 63,341.48
  4. Step 4: Simplify right side
    117,055.55x = 10,231,950,532.68
  5. Step 5: Solve for x
    x = 10,231,950,532.68/117,055.55
  6. Step 6: Final answer
    x = 87,411.07

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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.