Home / 91,103.16-136,526.26-43,020.46

Finding the Fourth Proportional to 91,103.16, 136,526.26 and 43,020.46

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Solution

The fourth proportional to 91,103.16, 136,526.26 and 43,020.46 is: 64,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,103.16 : 136,526.26 = 43,020.46 : x
  2. Step 2: Convert to fraction form
    91,103.16/136,526.26 = 43,020.46/x
  3. Step 3: Cross multiply
    91,103.16x = 136,526.26 × 43,020.46
  4. Step 4: Simplify right side
    91,103.16x = 5,873,421,609.55
  5. Step 5: Solve for x
    x = 5,873,421,609.55/91,103.16
  6. Step 6: Final answer
    x = 64,470.01

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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.