Home / 81,817.68-112,909.08-46,007.39

Finding the Fourth Proportional to 81,817.68, 112,909.08 and 46,007.39

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Solution

The fourth proportional to 81,817.68, 112,909.08 and 46,007.39 is: 63,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,817.68 : 112,909.08 = 46,007.39 : x
  2. Step 2: Convert to fraction form
    81,817.68/112,909.08 = 46,007.39/x
  3. Step 3: Cross multiply
    81,817.68x = 112,909.08 × 46,007.39
  4. Step 4: Simplify right side
    81,817.68x = 5,194,651,513.56
  5. Step 5: Solve for x
    x = 5,194,651,513.56/81,817.68
  6. Step 6: Final answer
    x = 63,490.57

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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.