Home / 109,133.22-163,787.31-56,557.74

Finding the Fourth Proportional to 109,133.22, 163,787.31 and 56,557.74

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Solution

The fourth proportional to 109,133.22, 163,787.31 and 56,557.74 is: 84,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133.22 : 163,787.31 = 56,557.74 : x
  2. Step 2: Convert to fraction form
    109,133.22/163,787.31 = 56,557.74/x
  3. Step 3: Cross multiply
    109,133.22x = 163,787.31 × 56,557.74
  4. Step 4: Simplify right side
    109,133.22x = 9,263,440,094.28
  5. Step 5: Solve for x
    x = 9,263,440,094.28/109,133.22
  6. Step 6: Final answer
    x = 84,881.95

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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.