Home / 83,783.30-115,618.02-46,057.28

Finding the Fourth Proportional to 83,783.30, 115,618.02 and 46,057.28

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Solution

The fourth proportional to 83,783.30, 115,618.02 and 46,057.28 is: 63,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,783.30 : 115,618.02 = 46,057.28 : x
  2. Step 2: Convert to fraction form
    83,783.30/115,618.02 = 46,057.28/x
  3. Step 3: Cross multiply
    83,783.30x = 115,618.02 × 46,057.28
  4. Step 4: Simplify right side
    83,783.30x = 5,325,051,520.19
  5. Step 5: Solve for x
    x = 5,325,051,520.19/83,783.30
  6. Step 6: Final answer
    x = 63,557.43

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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.