Home / 90,322.80-124,604.04-58,501.92

Finding the Fourth Proportional to 90,322.80, 124,604.04 and 58,501.92

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Solution

The fourth proportional to 90,322.80, 124,604.04 and 58,501.92 is: 80,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,322.80 : 124,604.04 = 58,501.92 : x
  2. Step 2: Convert to fraction form
    90,322.80/124,604.04 = 58,501.92/x
  3. Step 3: Cross multiply
    90,322.80x = 124,604.04 × 58,501.92
  4. Step 4: Simplify right side
    90,322.80x = 7,289,575,579.76
  5. Step 5: Solve for x
    x = 7,289,575,579.76/90,322.80
  6. Step 6: Final answer
    x = 80,705.82

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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.