Home / 99,322.22-137,064.20-58,510.06

Finding the Fourth Proportional to 99,322.22, 137,064.20 and 58,510.06

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Solution

The fourth proportional to 99,322.22, 137,064.20 and 58,510.06 is: 80,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,322.22 : 137,064.20 = 58,510.06 : x
  2. Step 2: Convert to fraction form
    99,322.22/137,064.20 = 58,510.06/x
  3. Step 3: Cross multiply
    99,322.22x = 137,064.20 × 58,510.06
  4. Step 4: Simplify right side
    99,322.22x = 8,019,635,030.75
  5. Step 5: Solve for x
    x = 8,019,635,030.75/99,322.22
  6. Step 6: Final answer
    x = 80,743.62

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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.