Home / 53,999.10-81,085.05-40,866.30

Finding the Fourth Proportional to 53,999.10, 81,085.05 and 40,866.30

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Solution

The fourth proportional to 53,999.10, 81,085.05 and 40,866.30 is: 61,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.10 : 81,085.05 = 40,866.30 : x
  2. Step 2: Convert to fraction form
    53,999.10/81,085.05 = 40,866.30/x
  3. Step 3: Cross multiply
    53,999.10x = 81,085.05 × 40,866.30
  4. Step 4: Simplify right side
    53,999.10x = 3,313,645,978.82
  5. Step 5: Solve for x
    x = 3,313,645,978.82/53,999.10
  6. Step 6: Final answer
    x = 61,364.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.