Home / 54,302.16-74,816.17-40,628.64

Finding the Fourth Proportional to 54,302.16, 74,816.17 and 40,628.64

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Solution

The fourth proportional to 54,302.16, 74,816.17 and 40,628.64 is: 55,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,302.16 : 74,816.17 = 40,628.64 : x
  2. Step 2: Convert to fraction form
    54,302.16/74,816.17 = 40,628.64/x
  3. Step 3: Cross multiply
    54,302.16x = 74,816.17 × 40,628.64
  4. Step 4: Simplify right side
    54,302.16x = 3,039,679,223.79
  5. Step 5: Solve for x
    x = 3,039,679,223.79/54,302.16
  6. Step 6: Final answer
    x = 55,977.13

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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.