Home / 99,652.23-137,523.39-59,360.49

Finding the Fourth Proportional to 99,652.23, 137,523.39 and 59,360.49

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Solution

The fourth proportional to 99,652.23, 137,523.39 and 59,360.49 is: 81,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652.23 : 137,523.39 = 59,360.49 : x
  2. Step 2: Convert to fraction form
    99,652.23/137,523.39 = 59,360.49/x
  3. Step 3: Cross multiply
    99,652.23x = 137,523.39 × 59,360.49
  4. Step 4: Simplify right side
    99,652.23x = 8,163,455,816.86
  5. Step 5: Solve for x
    x = 8,163,455,816.86/99,652.23
  6. Step 6: Final answer
    x = 81,919.45

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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.