Home / 84,923.91-127,420.44-42,816.10

Finding the Fourth Proportional to 84,923.91, 127,420.44 and 42,816.10

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Solution

The fourth proportional to 84,923.91, 127,420.44 and 42,816.10 is: 64,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.91 : 127,420.44 = 42,816.10 : x
  2. Step 2: Convert to fraction form
    84,923.91/127,420.44 = 42,816.10/x
  3. Step 3: Cross multiply
    84,923.91x = 127,420.44 × 42,816.10
  4. Step 4: Simplify right side
    84,923.91x = 5,455,646,301.08
  5. Step 5: Solve for x
    x = 5,455,646,301.08/84,923.91
  6. Step 6: Final answer
    x = 64,241.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.