Home / 99,302.15-148,869.26-43,100.02

Finding the Fourth Proportional to 99,302.15, 148,869.26 and 43,100.02

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Solution

The fourth proportional to 99,302.15, 148,869.26 and 43,100.02 is: 64,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.15 : 148,869.26 = 43,100.02 : x
  2. Step 2: Convert to fraction form
    99,302.15/148,869.26 = 43,100.02/x
  3. Step 3: Cross multiply
    99,302.15x = 148,869.26 × 43,100.02
  4. Step 4: Simplify right side
    99,302.15x = 6,416,267,378.21
  5. Step 5: Solve for x
    x = 6,416,267,378.21/99,302.15
  6. Step 6: Final answer
    x = 64,613.58

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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.