Home / 108,360.63-162,573.75-45,211.01

Finding the Fourth Proportional to 108,360.63, 162,573.75 and 45,211.01

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Solution

The fourth proportional to 108,360.63, 162,573.75 and 45,211.01 is: 67,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,360.63 : 162,573.75 = 45,211.01 : x
  2. Step 2: Convert to fraction form
    108,360.63/162,573.75 = 45,211.01/x
  3. Step 3: Cross multiply
    108,360.63x = 162,573.75 × 45,211.01
  4. Step 4: Simplify right side
    108,360.63x = 7,350,122,624.12
  5. Step 5: Solve for x
    x = 7,350,122,624.12/108,360.63
  6. Step 6: Final answer
    x = 67,830.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.