Home / 105,516.35-145,624.26-60,205.53

Finding the Fourth Proportional to 105,516.35, 145,624.26 and 60,205.53

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Solution

The fourth proportional to 105,516.35, 145,624.26 and 60,205.53 is: 83,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,516.35 : 145,624.26 = 60,205.53 : x
  2. Step 2: Convert to fraction form
    105,516.35/145,624.26 = 60,205.53/x
  3. Step 3: Cross multiply
    105,516.35x = 145,624.26 × 60,205.53
  4. Step 4: Simplify right side
    105,516.35x = 8,767,385,754.16
  5. Step 5: Solve for x
    x = 8,767,385,754.16/105,516.35
  6. Step 6: Final answer
    x = 83,090.31

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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.