Home / 124,723.08-186,967.98-45,816.12

Finding the Fourth Proportional to 124,723.08, 186,967.98 and 45,816.12

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Solution

The fourth proportional to 124,723.08, 186,967.98 and 45,816.12 is: 68,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,723.08 : 186,967.98 = 45,816.12 : x
  2. Step 2: Convert to fraction form
    124,723.08/186,967.98 = 45,816.12/x
  3. Step 3: Cross multiply
    124,723.08x = 186,967.98 × 45,816.12
  4. Step 4: Simplify right side
    124,723.08x = 8,566,147,407.84
  5. Step 5: Solve for x
    x = 8,566,147,407.84/124,723.08
  6. Step 6: Final answer
    x = 68,681.33

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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.