Home / 64,304.29-88,783.22-40,142.04

Finding the Fourth Proportional to 64,304.29, 88,783.22 and 40,142.04

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Solution

The fourth proportional to 64,304.29, 88,783.22 and 40,142.04 is: 55,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,304.29 : 88,783.22 = 40,142.04 : x
  2. Step 2: Convert to fraction form
    64,304.29/88,783.22 = 40,142.04/x
  3. Step 3: Cross multiply
    64,304.29x = 88,783.22 × 40,142.04
  4. Step 4: Simplify right side
    64,304.29x = 3,563,939,585.69
  5. Step 5: Solve for x
    x = 3,563,939,585.69/64,304.29
  6. Step 6: Final answer
    x = 55,423.05

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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.