Home / 107,024.74-147,638.16-66,175.82

Finding the Fourth Proportional to 107,024.74, 147,638.16 and 66,175.82

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Solution

The fourth proportional to 107,024.74, 147,638.16 and 66,175.82 is: 91,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,024.74 : 147,638.16 = 66,175.82 : x
  2. Step 2: Convert to fraction form
    107,024.74/147,638.16 = 66,175.82/x
  3. Step 3: Cross multiply
    107,024.74x = 147,638.16 × 66,175.82
  4. Step 4: Simplify right side
    107,024.74x = 9,770,075,970.41
  5. Step 5: Solve for x
    x = 9,770,075,970.41/107,024.74
  6. Step 6: Final answer
    x = 91,288.01

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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.