Home / 76,261.08-105,240.22-42,727.32

Finding the Fourth Proportional to 76,261.08, 105,240.22 and 42,727.32

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Solution

The fourth proportional to 76,261.08, 105,240.22 and 42,727.32 is: 58,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,261.08 : 105,240.22 = 42,727.32 : x
  2. Step 2: Convert to fraction form
    76,261.08/105,240.22 = 42,727.32/x
  3. Step 3: Cross multiply
    76,261.08x = 105,240.22 × 42,727.32
  4. Step 4: Simplify right side
    76,261.08x = 4,496,632,556.81
  5. Step 5: Solve for x
    x = 4,496,632,556.81/76,261.08
  6. Step 6: Final answer
    x = 58,963.66

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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.