Home / 124,078.11-186,117.18-30,583.86

Finding the Fourth Proportional to 124,078.11, 186,117.18 and 30,583.86

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Solution

The fourth proportional to 124,078.11, 186,117.18 and 30,583.86 is: 45,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,078.11 : 186,117.18 = 30,583.86 : x
  2. Step 2: Convert to fraction form
    124,078.11/186,117.18 = 30,583.86/x
  3. Step 3: Cross multiply
    124,078.11x = 186,117.18 × 30,583.86
  4. Step 4: Simplify right side
    124,078.11x = 5,692,181,776.71
  5. Step 5: Solve for x
    x = 5,692,181,776.71/124,078.11
  6. Step 6: Final answer
    x = 45,875.79

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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.