Home / 46,035.28-69,140.40-28,626.72

Finding the Fourth Proportional to 46,035.28, 69,140.40 and 28,626.72

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Solution

The fourth proportional to 46,035.28, 69,140.40 and 28,626.72 is: 42,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,035.28 : 69,140.40 = 28,626.72 : x
  2. Step 2: Convert to fraction form
    46,035.28/69,140.40 = 28,626.72/x
  3. Step 3: Cross multiply
    46,035.28x = 69,140.40 × 28,626.72
  4. Step 4: Simplify right side
    46,035.28x = 1,979,262,871.49
  5. Step 5: Solve for x
    x = 1,979,262,871.49/46,035.28
  6. Step 6: Final answer
    x = 42,994.48

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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.