Home / 81,348.02-112,247.34-45,539.54

Finding the Fourth Proportional to 81,348.02, 112,247.34 and 45,539.54

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Solution

The fourth proportional to 81,348.02, 112,247.34 and 45,539.54 is: 62,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,348.02 : 112,247.34 = 45,539.54 : x
  2. Step 2: Convert to fraction form
    81,348.02/112,247.34 = 45,539.54/x
  3. Step 3: Cross multiply
    81,348.02x = 112,247.34 × 45,539.54
  4. Step 4: Simplify right side
    81,348.02x = 5,111,692,229.82
  5. Step 5: Solve for x
    x = 5,111,692,229.82/81,348.02
  6. Step 6: Final answer
    x = 62,837.33

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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.