Home / 84,077.81-115,987.78-50,066.92

Finding the Fourth Proportional to 84,077.81, 115,987.78 and 50,066.92

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Solution

The fourth proportional to 84,077.81, 115,987.78 and 50,066.92 is: 69,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,077.81 : 115,987.78 = 50,066.92 : x
  2. Step 2: Convert to fraction form
    84,077.81/115,987.78 = 50,066.92/x
  3. Step 3: Cross multiply
    84,077.81x = 115,987.78 × 50,066.92
  4. Step 4: Simplify right side
    84,077.81x = 5,807,150,902.24
  5. Step 5: Solve for x
    x = 5,807,150,902.24/84,077.81
  6. Step 6: Final answer
    x = 69,068.77

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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.