Home / 51,666.32-77,491.16-14,721.68

Finding the Fourth Proportional to 51,666.32, 77,491.16 and 14,721.68

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Solution

The fourth proportional to 51,666.32, 77,491.16 and 14,721.68 is: 22,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,666.32 : 77,491.16 = 14,721.68 : x
  2. Step 2: Convert to fraction form
    51,666.32/77,491.16 = 14,721.68/x
  3. Step 3: Cross multiply
    51,666.32x = 77,491.16 × 14,721.68
  4. Step 4: Simplify right side
    51,666.32x = 1,140,800,060.35
  5. Step 5: Solve for x
    x = 1,140,800,060.35/51,666.32
  6. Step 6: Final answer
    x = 22,080.15

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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.