Home / 109,979.25-151,771.77-59,678.25

Finding the Fourth Proportional to 109,979.25, 151,771.77 and 59,678.25

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Solution

The fourth proportional to 109,979.25, 151,771.77 and 59,678.25 is: 82,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,979.25 : 151,771.77 = 59,678.25 : x
  2. Step 2: Convert to fraction form
    109,979.25/151,771.77 = 59,678.25/x
  3. Step 3: Cross multiply
    109,979.25x = 151,771.77 × 59,678.25
  4. Step 4: Simplify right side
    109,979.25x = 9,057,473,633.00
  5. Step 5: Solve for x
    x = 9,057,473,633.00/109,979.25
  6. Step 6: Final answer
    x = 82,356.20

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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.