Home / 80,955.93-111,727.22-60,502.47

Finding the Fourth Proportional to 80,955.93, 111,727.22 and 60,502.47

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Solution

The fourth proportional to 80,955.93, 111,727.22 and 60,502.47 is: 83,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,955.93 : 111,727.22 = 60,502.47 : x
  2. Step 2: Convert to fraction form
    80,955.93/111,727.22 = 60,502.47/x
  3. Step 3: Cross multiply
    80,955.93x = 111,727.22 × 60,502.47
  4. Step 4: Simplify right side
    80,955.93x = 6,759,772,473.72
  5. Step 5: Solve for x
    x = 6,759,772,473.72/80,955.93
  6. Step 6: Final answer
    x = 83,499.41

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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.