Home / 53,696.28-80,182.77-43,855.08

Finding the Fourth Proportional to 53,696.28, 80,182.77 and 43,855.08

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Solution

The fourth proportional to 53,696.28, 80,182.77 and 43,855.08 is: 65,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,696.28 : 80,182.77 = 43,855.08 : x
  2. Step 2: Convert to fraction form
    53,696.28/80,182.77 = 43,855.08/x
  3. Step 3: Cross multiply
    53,696.28x = 80,182.77 × 43,855.08
  4. Step 4: Simplify right side
    53,696.28x = 3,516,421,792.97
  5. Step 5: Solve for x
    x = 3,516,421,792.97/53,696.28
  6. Step 6: Final answer
    x = 65,487.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.