Home / 83,925.32-115,816.94-45,685.02

Finding the Fourth Proportional to 83,925.32, 115,816.94 and 45,685.02

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Solution

The fourth proportional to 83,925.32, 115,816.94 and 45,685.02 is: 63,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,925.32 : 115,816.94 = 45,685.02 : x
  2. Step 2: Convert to fraction form
    83,925.32/115,816.94 = 45,685.02/x
  3. Step 3: Cross multiply
    83,925.32x = 115,816.94 × 45,685.02
  4. Step 4: Simplify right side
    83,925.32x = 5,291,099,220.24
  5. Step 5: Solve for x
    x = 5,291,099,220.24/83,925.32
  6. Step 6: Final answer
    x = 63,045.33

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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.