Home / 51,985.96-77,966.95-14,548.68

Finding the Fourth Proportional to 51,985.96, 77,966.95 and 14,548.68

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Solution

The fourth proportional to 51,985.96, 77,966.95 and 14,548.68 is: 21,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.96 : 77,966.95 = 14,548.68 : x
  2. Step 2: Convert to fraction form
    51,985.96/77,966.95 = 14,548.68/x
  3. Step 3: Cross multiply
    51,985.96x = 77,966.95 × 14,548.68
  4. Step 4: Simplify right side
    51,985.96x = 1,134,315,857.88
  5. Step 5: Solve for x
    x = 1,134,315,857.88/51,985.96
  6. Step 6: Final answer
    x = 21,819.66

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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.