Home / 117,050.05-161,528.74-63,335.98

Finding the Fourth Proportional to 117,050.05, 161,528.74 and 63,335.98

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Solution

The fourth proportional to 117,050.05, 161,528.74 and 63,335.98 is: 87,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,050.05 : 161,528.74 = 63,335.98 : x
  2. Step 2: Convert to fraction form
    117,050.05/161,528.74 = 63,335.98/x
  3. Step 3: Cross multiply
    117,050.05x = 161,528.74 × 63,335.98
  4. Step 4: Simplify right side
    117,050.05x = 10,230,581,046.07
  5. Step 5: Solve for x
    x = 10,230,581,046.07/117,050.05
  6. Step 6: Final answer
    x = 87,403.47

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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.