Home / 81,332.04-112,237.12-45,522.05

Finding the Fourth Proportional to 81,332.04, 112,237.12 and 45,522.05

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Solution

The fourth proportional to 81,332.04, 112,237.12 and 45,522.05 is: 62,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332.04 : 112,237.12 = 45,522.05 : x
  2. Step 2: Convert to fraction form
    81,332.04/112,237.12 = 45,522.05/x
  3. Step 3: Cross multiply
    81,332.04x = 112,237.12 × 45,522.05
  4. Step 4: Simplify right side
    81,332.04x = 5,109,263,113.51
  5. Step 5: Solve for x
    x = 5,109,263,113.51/81,332.04
  6. Step 6: Final answer
    x = 62,819.81

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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.