Home / 86,920.64-119,952.32-52,930.56

Finding the Fourth Proportional to 86,920.64, 119,952.32 and 52,930.56

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Solution

The fourth proportional to 86,920.64, 119,952.32 and 52,930.56 is: 73,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920.64 : 119,952.32 = 52,930.56 : x
  2. Step 2: Convert to fraction form
    86,920.64/119,952.32 = 52,930.56/x
  3. Step 3: Cross multiply
    86,920.64x = 119,952.32 × 52,930.56
  4. Step 4: Simplify right side
    86,920.64x = 6,349,143,470.90
  5. Step 5: Solve for x
    x = 6,349,143,470.90/86,920.64
  6. Step 6: Final answer
    x = 73,045.29

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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.