Home / 83,772.20-115,604.34-46,045.64

Finding the Fourth Proportional to 83,772.20, 115,604.34 and 46,045.64

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Solution

The fourth proportional to 83,772.20, 115,604.34 and 46,045.64 is: 63,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,772.20 : 115,604.34 = 46,045.64 : x
  2. Step 2: Convert to fraction form
    83,772.20/115,604.34 = 46,045.64/x
  3. Step 3: Cross multiply
    83,772.20x = 115,604.34 × 46,045.64
  4. Step 4: Simplify right side
    83,772.20x = 5,323,075,822.08
  5. Step 5: Solve for x
    x = 5,323,075,822.08/83,772.20
  6. Step 6: Final answer
    x = 63,542.27

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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.