Home / 51,664.32-77,488.16-14,719.68

Finding the Fourth Proportional to 51,664.32, 77,488.16 and 14,719.68

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Solution

The fourth proportional to 51,664.32, 77,488.16 and 14,719.68 is: 22,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,664.32 : 77,488.16 = 14,719.68 : x
  2. Step 2: Convert to fraction form
    51,664.32/77,488.16 = 14,719.68/x
  3. Step 3: Cross multiply
    51,664.32x = 77,488.16 × 14,719.68
  4. Step 4: Simplify right side
    51,664.32x = 1,140,600,918.99
  5. Step 5: Solve for x
    x = 1,140,600,918.99/51,664.32
  6. Step 6: Final answer
    x = 22,077.15

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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.