Home / 81,990.02-113,126.45-46,180.01

Finding the Fourth Proportional to 81,990.02, 113,126.45 and 46,180.01

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Solution

The fourth proportional to 81,990.02, 113,126.45 and 46,180.01 is: 63,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,990.02 : 113,126.45 = 46,180.01 : x
  2. Step 2: Convert to fraction form
    81,990.02/113,126.45 = 46,180.01/x
  3. Step 3: Cross multiply
    81,990.02x = 113,126.45 × 46,180.01
  4. Step 4: Simplify right side
    81,990.02x = 5,224,179,795.73
  5. Step 5: Solve for x
    x = 5,224,179,795.73/81,990.02
  6. Step 6: Final answer
    x = 63,717.27

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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.