Home / 45,329.00-67,988.05-12,051.61

Finding the Fourth Proportional to 45,329.00, 67,988.05 and 12,051.61

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Solution

The fourth proportional to 45,329.00, 67,988.05 and 12,051.61 is: 18,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,329.00 : 67,988.05 = 12,051.61 : x
  2. Step 2: Convert to fraction form
    45,329.00/67,988.05 = 12,051.61/x
  3. Step 3: Cross multiply
    45,329.00x = 67,988.05 × 12,051.61
  4. Step 4: Simplify right side
    45,329.00x = 819,365,263.16
  5. Step 5: Solve for x
    x = 819,365,263.16/45,329.00
  6. Step 6: Final answer
    x = 18,075.96

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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.