Home / 81,325.40-112,207.68-46,861.65

Finding the Fourth Proportional to 81,325.40, 112,207.68 and 46,861.65

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Solution

The fourth proportional to 81,325.40, 112,207.68 and 46,861.65 is: 64,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,325.40 : 112,207.68 = 46,861.65 : x
  2. Step 2: Convert to fraction form
    81,325.40/112,207.68 = 46,861.65/x
  3. Step 3: Cross multiply
    81,325.40x = 112,207.68 × 46,861.65
  4. Step 4: Simplify right side
    81,325.40x = 5,258,237,027.47
  5. Step 5: Solve for x
    x = 5,258,237,027.47/81,325.40
  6. Step 6: Final answer
    x = 64,656.77

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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.