Home / 113,221.02-169,877.64-57,077.31

Finding the Fourth Proportional to 113,221.02, 169,877.64 and 57,077.31

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Solution

The fourth proportional to 113,221.02, 169,877.64 and 57,077.31 is: 85,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,221.02 : 169,877.64 = 57,077.31 : x
  2. Step 2: Convert to fraction form
    113,221.02/169,877.64 = 57,077.31/x
  3. Step 3: Cross multiply
    113,221.02x = 169,877.64 × 57,077.31
  4. Step 4: Simplify right side
    113,221.02x = 9,696,158,720.35
  5. Step 5: Solve for x
    x = 9,696,158,720.35/113,221.02
  6. Step 6: Final answer
    x = 85,639.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.