Home / 83,895.12-115,775.20-46,169.40

Finding the Fourth Proportional to 83,895.12, 115,775.20 and 46,169.40

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Solution

The fourth proportional to 83,895.12, 115,775.20 and 46,169.40 is: 63,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,895.12 : 115,775.20 = 46,169.40 : x
  2. Step 2: Convert to fraction form
    83,895.12/115,775.20 = 46,169.40/x
  3. Step 3: Cross multiply
    83,895.12x = 115,775.20 × 46,169.40
  4. Step 4: Simplify right side
    83,895.12x = 5,345,271,518.88
  5. Step 5: Solve for x
    x = 5,345,271,518.88/83,895.12
  6. Step 6: Final answer
    x = 63,713.74

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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.