Home / 92,075.13-138,112.29-25,515.06

Finding the Fourth Proportional to 92,075.13, 138,112.29 and 25,515.06

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Solution

The fourth proportional to 92,075.13, 138,112.29 and 25,515.06 is: 38,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,075.13 : 138,112.29 = 25,515.06 : x
  2. Step 2: Convert to fraction form
    92,075.13/138,112.29 = 25,515.06/x
  3. Step 3: Cross multiply
    92,075.13x = 138,112.29 × 25,515.06
  4. Step 4: Simplify right side
    92,075.13x = 3,523,943,366.09
  5. Step 5: Solve for x
    x = 3,523,943,366.09/92,075.13
  6. Step 6: Final answer
    x = 38,272.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.