Home / 79,050.53-109,088.43-43,240.22

Finding the Fourth Proportional to 79,050.53, 109,088.43 and 43,240.22

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Solution

The fourth proportional to 79,050.53, 109,088.43 and 43,240.22 is: 59,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.53 : 109,088.43 = 43,240.22 : x
  2. Step 2: Convert to fraction form
    79,050.53/109,088.43 = 43,240.22/x
  3. Step 3: Cross multiply
    79,050.53x = 109,088.43 × 43,240.22
  4. Step 4: Simplify right side
    79,050.53x = 4,717,007,712.65
  5. Step 5: Solve for x
    x = 4,717,007,712.65/79,050.53
  6. Step 6: Final answer
    x = 59,670.79

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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.