Home / 81,332.02-112,237.07-45,522.01

Finding the Fourth Proportional to 81,332.02, 112,237.07 and 45,522.01

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Solution

The fourth proportional to 81,332.02, 112,237.07 and 45,522.01 is: 62,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332.02 : 112,237.07 = 45,522.01 : x
  2. Step 2: Convert to fraction form
    81,332.02/112,237.07 = 45,522.01/x
  3. Step 3: Cross multiply
    81,332.02x = 112,237.07 × 45,522.01
  4. Step 4: Simplify right side
    81,332.02x = 5,109,257,022.91
  5. Step 5: Solve for x
    x = 5,109,257,022.91/81,332.02
  6. Step 6: Final answer
    x = 62,819.75

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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.