Home / 109,807.03-164,683-42,325.53

Finding the Fourth Proportional to 109,807.03, 164,683 and 42,325.53

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Solution

The fourth proportional to 109,807.03, 164,683 and 42,325.53 is: 63,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,807.03 : 164,683 = 42,325.53 : x
  2. Step 2: Convert to fraction form
    109,807.03/164,683 = 42,325.53/x
  3. Step 3: Cross multiply
    109,807.03x = 164,683 × 42,325.53
  4. Step 4: Simplify right side
    109,807.03x = 6,970,295,256.99
  5. Step 5: Solve for x
    x = 6,970,295,256.99/109,807.03
  6. Step 6: Final answer
    x = 63,477.68

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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.