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Finding the Fourth Proportional to 64,039.58, 88,366.44 and 35,746.46

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Solution

The fourth proportional to 64,039.58, 88,366.44 and 35,746.46 is: 49,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.58 : 88,366.44 = 35,746.46 : x
  2. Step 2: Convert to fraction form
    64,039.58/88,366.44 = 35,746.46/x
  3. Step 3: Cross multiply
    64,039.58x = 88,366.44 × 35,746.46
  4. Step 4: Simplify right side
    64,039.58x = 3,158,787,412.80
  5. Step 5: Solve for x
    x = 3,158,787,412.80/64,039.58
  6. Step 6: Final answer
    x = 49,325.55

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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.