Home / 45,535.71-67,947.40-40,807.53

Finding the Fourth Proportional to 45,535.71, 67,947.40 and 40,807.53

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Solution

The fourth proportional to 45,535.71, 67,947.40 and 40,807.53 is: 60,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,535.71 : 67,947.40 = 40,807.53 : x
  2. Step 2: Convert to fraction form
    45,535.71/67,947.40 = 40,807.53/x
  3. Step 3: Cross multiply
    45,535.71x = 67,947.40 × 40,807.53
  4. Step 4: Simplify right side
    45,535.71x = 2,772,765,359.88
  5. Step 5: Solve for x
    x = 2,772,765,359.88/45,535.71
  6. Step 6: Final answer
    x = 60,892.11

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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.