Home / 104,734.71-144,534.53-56,988.35

Finding the Fourth Proportional to 104,734.71, 144,534.53 and 56,988.35

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Solution

The fourth proportional to 104,734.71, 144,534.53 and 56,988.35 is: 78,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,734.71 : 144,534.53 = 56,988.35 : x
  2. Step 2: Convert to fraction form
    104,734.71/144,534.53 = 56,988.35/x
  3. Step 3: Cross multiply
    104,734.71x = 144,534.53 × 56,988.35
  4. Step 4: Simplify right side
    104,734.71x = 8,236,783,375.11
  5. Step 5: Solve for x
    x = 8,236,783,375.11/104,734.71
  6. Step 6: Final answer
    x = 78,644.26

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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.