Home / 108,075.65-149,143.82-62,764.76

Finding the Fourth Proportional to 108,075.65, 149,143.82 and 62,764.76

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Solution

The fourth proportional to 108,075.65, 149,143.82 and 62,764.76 is: 86,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,075.65 : 149,143.82 = 62,764.76 : x
  2. Step 2: Convert to fraction form
    108,075.65/149,143.82 = 62,764.76/x
  3. Step 3: Cross multiply
    108,075.65x = 149,143.82 × 62,764.76
  4. Step 4: Simplify right side
    108,075.65x = 9,360,975,008.24
  5. Step 5: Solve for x
    x = 9,360,975,008.24/108,075.65
  6. Step 6: Final answer
    x = 86,615.03

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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.