Home / 81,396.32-112,316.25-46,942.34

Finding the Fourth Proportional to 81,396.32, 112,316.25 and 46,942.34

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Solution

The fourth proportional to 81,396.32, 112,316.25 and 46,942.34 is: 64,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,396.32 : 112,316.25 = 46,942.34 : x
  2. Step 2: Convert to fraction form
    81,396.32/112,316.25 = 46,942.34/x
  3. Step 3: Cross multiply
    81,396.32x = 112,316.25 × 46,942.34
  4. Step 4: Simplify right side
    81,396.32x = 5,272,387,595.03
  5. Step 5: Solve for x
    x = 5,272,387,595.03/81,396.32
  6. Step 6: Final answer
    x = 64,774.27

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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.