Home / 75,941.96-104,756.10-45,706.28

Finding the Fourth Proportional to 75,941.96, 104,756.10 and 45,706.28

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Solution

The fourth proportional to 75,941.96, 104,756.10 and 45,706.28 is: 63,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,941.96 : 104,756.10 = 45,706.28 : x
  2. Step 2: Convert to fraction form
    75,941.96/104,756.10 = 45,706.28/x
  3. Step 3: Cross multiply
    75,941.96x = 104,756.10 × 45,706.28
  4. Step 4: Simplify right side
    75,941.96x = 4,788,011,638.31
  5. Step 5: Solve for x
    x = 4,788,011,638.31/75,941.96
  6. Step 6: Final answer
    x = 63,048.30

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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.