Home / 55,304.49-76,320.27-30,153.99

Finding the Fourth Proportional to 55,304.49, 76,320.27 and 30,153.99

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Solution

The fourth proportional to 55,304.49, 76,320.27 and 30,153.99 is: 41,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.49 : 76,320.27 = 30,153.99 : x
  2. Step 2: Convert to fraction form
    55,304.49/76,320.27 = 30,153.99/x
  3. Step 3: Cross multiply
    55,304.49x = 76,320.27 × 30,153.99
  4. Step 4: Simplify right side
    55,304.49x = 2,301,360,658.38
  5. Step 5: Solve for x
    x = 2,301,360,658.38/55,304.49
  6. Step 6: Final answer
    x = 41,612.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.