Home / 113,827.56-157,075.14-68,520.21

Finding the Fourth Proportional to 113,827.56, 157,075.14 and 68,520.21

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Solution

The fourth proportional to 113,827.56, 157,075.14 and 68,520.21 is: 94,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.56 : 157,075.14 = 68,520.21 : x
  2. Step 2: Convert to fraction form
    113,827.56/157,075.14 = 68,520.21/x
  3. Step 3: Cross multiply
    113,827.56x = 157,075.14 × 68,520.21
  4. Step 4: Simplify right side
    113,827.56x = 10,762,821,578.58
  5. Step 5: Solve for x
    x = 10,762,821,578.58/113,827.56
  6. Step 6: Final answer
    x = 94,553.74

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1.5x scale

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.