Home / 109,920.93-151,686.32-62,175.08

Finding the Fourth Proportional to 109,920.93, 151,686.32 and 62,175.08

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Solution

The fourth proportional to 109,920.93, 151,686.32 and 62,175.08 is: 85,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.93 : 151,686.32 = 62,175.08 : x
  2. Step 2: Convert to fraction form
    109,920.93/151,686.32 = 62,175.08/x
  3. Step 3: Cross multiply
    109,920.93x = 151,686.32 × 62,175.08
  4. Step 4: Simplify right side
    109,920.93x = 9,431,108,011.60
  5. Step 5: Solve for x
    x = 9,431,108,011.60/109,920.93
  6. Step 6: Final answer
    x = 85,799.02

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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.