Home / 51,114.19-70,541.90-28,762.51

Finding the Fourth Proportional to 51,114.19, 70,541.90 and 28,762.51

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Solution

The fourth proportional to 51,114.19, 70,541.90 and 28,762.51 is: 39,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,114.19 : 70,541.90 = 28,762.51 : x
  2. Step 2: Convert to fraction form
    51,114.19/70,541.90 = 28,762.51/x
  3. Step 3: Cross multiply
    51,114.19x = 70,541.90 × 28,762.51
  4. Step 4: Simplify right side
    51,114.19x = 2,028,962,104.17
  5. Step 5: Solve for x
    x = 2,028,962,104.17/51,114.19
  6. Step 6: Final answer
    x = 39,694.69

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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.