Home / 86,927.64-119,960.64-51,119.16

Finding the Fourth Proportional to 86,927.64, 119,960.64 and 51,119.16

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Solution

The fourth proportional to 86,927.64, 119,960.64 and 51,119.16 is: 70,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,927.64 : 119,960.64 = 51,119.16 : x
  2. Step 2: Convert to fraction form
    86,927.64/119,960.64 = 51,119.16/x
  3. Step 3: Cross multiply
    86,927.64x = 119,960.64 × 51,119.16
  4. Step 4: Simplify right side
    86,927.64x = 6,132,287,149.86
  5. Step 5: Solve for x
    x = 6,132,287,149.86/86,927.64
  6. Step 6: Final answer
    x = 70,544.73

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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.