Home / 109,522.08-151,127.64-61,772.58

Finding the Fourth Proportional to 109,522.08, 151,127.64 and 61,772.58

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Solution

The fourth proportional to 109,522.08, 151,127.64 and 61,772.58 is: 85,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,522.08 : 151,127.64 = 61,772.58 : x
  2. Step 2: Convert to fraction form
    109,522.08/151,127.64 = 61,772.58/x
  3. Step 3: Cross multiply
    109,522.08x = 151,127.64 × 61,772.58
  4. Step 4: Simplify right side
    109,522.08x = 9,335,544,232.11
  5. Step 5: Solve for x
    x = 9,335,544,232.11/109,522.08
  6. Step 6: Final answer
    x = 85,238.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.