Home / 45,631.90-68,448.04-14,041.76

Finding the Fourth Proportional to 45,631.90, 68,448.04 and 14,041.76

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Solution

The fourth proportional to 45,631.90, 68,448.04 and 14,041.76 is: 21,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.90 : 68,448.04 = 14,041.76 : x
  2. Step 2: Convert to fraction form
    45,631.90/68,448.04 = 14,041.76/x
  3. Step 3: Cross multiply
    45,631.90x = 68,448.04 × 14,041.76
  4. Step 4: Simplify right side
    45,631.90x = 961,130,950.15
  5. Step 5: Solve for x
    x = 961,130,950.15/45,631.90
  6. Step 6: Final answer
    x = 21,062.70

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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.