Home / 86,431.36-119,279.88-50,624.08

Finding the Fourth Proportional to 86,431.36, 119,279.88 and 50,624.08

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Solution

The fourth proportional to 86,431.36, 119,279.88 and 50,624.08 is: 69,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.36 : 119,279.88 = 50,624.08 : x
  2. Step 2: Convert to fraction form
    86,431.36/119,279.88 = 50,624.08/x
  3. Step 3: Cross multiply
    86,431.36x = 119,279.88 × 50,624.08
  4. Step 4: Simplify right side
    86,431.36x = 6,038,434,187.51
  5. Step 5: Solve for x
    x = 6,038,434,187.51/86,431.36
  6. Step 6: Final answer
    x = 69,863.93

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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.