Home / 81,193.25-112,045.95-45,382.34

Finding the Fourth Proportional to 81,193.25, 112,045.95 and 45,382.34

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Solution

The fourth proportional to 81,193.25, 112,045.95 and 45,382.34 is: 62,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,193.25 : 112,045.95 = 45,382.34 : x
  2. Step 2: Convert to fraction form
    81,193.25/112,045.95 = 45,382.34/x
  3. Step 3: Cross multiply
    81,193.25x = 112,045.95 × 45,382.34
  4. Step 4: Simplify right side
    81,193.25x = 5,084,907,678.64
  5. Step 5: Solve for x
    x = 5,084,907,678.64/81,193.25
  6. Step 6: Final answer
    x = 62,627.22

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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.