Home / 124,322.64-186,440.04-40,079.40

Finding the Fourth Proportional to 124,322.64, 186,440.04 and 40,079.40

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Solution

The fourth proportional to 124,322.64, 186,440.04 and 40,079.40 is: 60,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,322.64 : 186,440.04 = 40,079.40 : x
  2. Step 2: Convert to fraction form
    124,322.64/186,440.04 = 40,079.40/x
  3. Step 3: Cross multiply
    124,322.64x = 186,440.04 × 40,079.40
  4. Step 4: Simplify right side
    124,322.64x = 7,472,404,939.18
  5. Step 5: Solve for x
    x = 7,472,404,939.18/124,322.64
  6. Step 6: Final answer
    x = 60,104.94

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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.