Home / 117,075.34-161,563.97-63,360.74

Finding the Fourth Proportional to 117,075.34, 161,563.97 and 63,360.74

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Solution

The fourth proportional to 117,075.34, 161,563.97 and 63,360.74 is: 87,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,075.34 : 161,563.97 = 63,360.74 : x
  2. Step 2: Convert to fraction form
    117,075.34/161,563.97 = 63,360.74/x
  3. Step 3: Cross multiply
    117,075.34x = 161,563.97 × 63,360.74
  4. Step 4: Simplify right side
    117,075.34x = 10,236,812,696.54
  5. Step 5: Solve for x
    x = 10,236,812,696.54/117,075.34
  6. Step 6: Final answer
    x = 87,437.82

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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.