Home / 63,715.23-87,926.78-35,420.92

Finding the Fourth Proportional to 63,715.23, 87,926.78 and 35,420.92

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Solution

The fourth proportional to 63,715.23, 87,926.78 and 35,420.92 is: 48,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,715.23 : 87,926.78 = 35,420.92 : x
  2. Step 2: Convert to fraction form
    63,715.23/87,926.78 = 35,420.92/x
  3. Step 3: Cross multiply
    63,715.23x = 87,926.78 × 35,420.92
  4. Step 4: Simplify right side
    63,715.23x = 3,114,447,308.97
  5. Step 5: Solve for x
    x = 3,114,447,308.97/63,715.23
  6. Step 6: Final answer
    x = 48,880.74

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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.