Home / 81,192.66-112,045.57-45,382.69

Finding the Fourth Proportional to 81,192.66, 112,045.57 and 45,382.69

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Solution

The fourth proportional to 81,192.66, 112,045.57 and 45,382.69 is: 62,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,192.66 : 112,045.57 = 45,382.69 : x
  2. Step 2: Convert to fraction form
    81,192.66/112,045.57 = 45,382.69/x
  3. Step 3: Cross multiply
    81,192.66x = 112,045.57 × 45,382.69
  4. Step 4: Simplify right side
    81,192.66x = 5,084,929,369.18
  5. Step 5: Solve for x
    x = 5,084,929,369.18/81,192.66
  6. Step 6: Final answer
    x = 62,627.94

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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.