Home / 45,535.21-67,946.65-40,807.03

Finding the Fourth Proportional to 45,535.21, 67,946.65 and 40,807.03

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Solution

The fourth proportional to 45,535.21, 67,946.65 and 40,807.03 is: 60,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,535.21 : 67,946.65 = 40,807.03 : x
  2. Step 2: Convert to fraction form
    45,535.21/67,946.65 = 40,807.03/x
  3. Step 3: Cross multiply
    45,535.21x = 67,946.65 × 40,807.03
  4. Step 4: Simplify right side
    45,535.21x = 2,772,700,984.95
  5. Step 5: Solve for x
    x = 2,772,700,984.95/45,535.21
  6. Step 6: Final answer
    x = 60,891.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.