Home / 117,050.28-161,528.94-63,335.40

Finding the Fourth Proportional to 117,050.28, 161,528.94 and 63,335.40

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Solution

The fourth proportional to 117,050.28, 161,528.94 and 63,335.40 is: 87,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,050.28 : 161,528.94 = 63,335.40 : x
  2. Step 2: Convert to fraction form
    117,050.28/161,528.94 = 63,335.40/x
  3. Step 3: Cross multiply
    117,050.28x = 161,528.94 × 63,335.40
  4. Step 4: Simplify right side
    117,050.28x = 10,230,500,026.48
  5. Step 5: Solve for x
    x = 10,230,500,026.48/117,050.28
  6. Step 6: Final answer
    x = 87,402.61

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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.