Home / 64,711.11-89,283.90-37,860.22

Finding the Fourth Proportional to 64,711.11, 89,283.90 and 37,860.22

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Solution

The fourth proportional to 64,711.11, 89,283.90 and 37,860.22 is: 52,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.11 : 89,283.90 = 37,860.22 : x
  2. Step 2: Convert to fraction form
    64,711.11/89,283.90 = 37,860.22/x
  3. Step 3: Cross multiply
    64,711.11x = 89,283.90 × 37,860.22
  4. Step 4: Simplify right side
    64,711.11x = 3,380,308,096.46
  5. Step 5: Solve for x
    x = 3,380,308,096.46/64,711.11
  6. Step 6: Final answer
    x = 52,236.90

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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.