Home / 46,020.20-69,030.30-43,428.20

Finding the Fourth Proportional to 46,020.20, 69,030.30 and 43,428.20

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Solution

The fourth proportional to 46,020.20, 69,030.30 and 43,428.20 is: 65,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,020.20 : 69,030.30 = 43,428.20 : x
  2. Step 2: Convert to fraction form
    46,020.20/69,030.30 = 43,428.20/x
  3. Step 3: Cross multiply
    46,020.20x = 69,030.30 × 43,428.20
  4. Step 4: Simplify right side
    46,020.20x = 2,997,861,674.46
  5. Step 5: Solve for x
    x = 2,997,861,674.46/46,020.20
  6. Step 6: Final answer
    x = 65,142.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.