Home / 83,488.36-115,209.66-45,755.32

Finding the Fourth Proportional to 83,488.36, 115,209.66 and 45,755.32

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Solution

The fourth proportional to 83,488.36, 115,209.66 and 45,755.32 is: 63,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,488.36 : 115,209.66 = 45,755.32 : x
  2. Step 2: Convert to fraction form
    83,488.36/115,209.66 = 45,755.32/x
  3. Step 3: Cross multiply
    83,488.36x = 115,209.66 × 45,755.32
  4. Step 4: Simplify right side
    83,488.36x = 5,271,454,860.39
  5. Step 5: Solve for x
    x = 5,271,454,860.39/83,488.36
  6. Step 6: Final answer
    x = 63,140.00

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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.