Home / 45,045.93-67,545.81-15,455.82

Finding the Fourth Proportional to 45,045.93, 67,545.81 and 15,455.82

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Solution

The fourth proportional to 45,045.93, 67,545.81 and 15,455.82 is: 23,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,045.93 : 67,545.81 = 15,455.82 : x
  2. Step 2: Convert to fraction form
    45,045.93/67,545.81 = 15,455.82/x
  3. Step 3: Cross multiply
    45,045.93x = 67,545.81 × 15,455.82
  4. Step 4: Simplify right side
    45,045.93x = 1,043,975,881.11
  5. Step 5: Solve for x
    x = 1,043,975,881.11/45,045.93
  6. Step 6: Final answer
    x = 23,175.81

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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.