Home / 91,296.12-136,843.68-59,693.16

Finding the Fourth Proportional to 91,296.12, 136,843.68 and 59,693.16

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Solution

The fourth proportional to 91,296.12, 136,843.68 and 59,693.16 is: 89,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296.12 : 136,843.68 = 59,693.16 : x
  2. Step 2: Convert to fraction form
    91,296.12/136,843.68 = 59,693.16/x
  3. Step 3: Cross multiply
    91,296.12x = 136,843.68 × 59,693.16
  4. Step 4: Simplify right side
    91,296.12x = 8,168,631,685.23
  5. Step 5: Solve for x
    x = 8,168,631,685.23/91,296.12
  6. Step 6: Final answer
    x = 89,474.03

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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.