Home / 91,707.12-137,580.39-28,526.04

Finding the Fourth Proportional to 91,707.12, 137,580.39 and 28,526.04

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Solution

The fourth proportional to 91,707.12, 137,580.39 and 28,526.04 is: 42,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,707.12 : 137,580.39 = 28,526.04 : x
  2. Step 2: Convert to fraction form
    91,707.12/137,580.39 = 28,526.04/x
  3. Step 3: Cross multiply
    91,707.12x = 137,580.39 × 28,526.04
  4. Step 4: Simplify right side
    91,707.12x = 3,924,623,708.36
  5. Step 5: Solve for x
    x = 3,924,623,708.36/91,707.12
  6. Step 6: Final answer
    x = 42,795.19

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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.