Home / 83,909.36-115,798.20-46,187.12

Finding the Fourth Proportional to 83,909.36, 115,798.20 and 46,187.12

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Solution

The fourth proportional to 83,909.36, 115,798.20 and 46,187.12 is: 63,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,909.36 : 115,798.20 = 46,187.12 : x
  2. Step 2: Convert to fraction form
    83,909.36/115,798.20 = 46,187.12/x
  3. Step 3: Cross multiply
    83,909.36x = 115,798.20 × 46,187.12
  4. Step 4: Simplify right side
    83,909.36x = 5,348,385,359.18
  5. Step 5: Solve for x
    x = 5,348,385,359.18/83,909.36
  6. Step 6: Final answer
    x = 63,740.03

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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.