Home / 83,410.41-115,114.65-47,605.83

Finding the Fourth Proportional to 83,410.41, 115,114.65 and 47,605.83

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Solution

The fourth proportional to 83,410.41, 115,114.65 and 47,605.83 is: 65,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410.41 : 115,114.65 = 47,605.83 : x
  2. Step 2: Convert to fraction form
    83,410.41/115,114.65 = 47,605.83/x
  3. Step 3: Cross multiply
    83,410.41x = 115,114.65 × 47,605.83
  4. Step 4: Simplify right side
    83,410.41x = 5,480,128,458.41
  5. Step 5: Solve for x
    x = 5,480,128,458.41/83,410.41
  6. Step 6: Final answer
    x = 65,700.77

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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.