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Finding the Fourth Proportional to 64,125.64, 96,210.33 and 34,546.51

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Solution

The fourth proportional to 64,125.64, 96,210.33 and 34,546.51 is: 51,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.64 : 96,210.33 = 34,546.51 : x
  2. Step 2: Convert to fraction form
    64,125.64/96,210.33 = 34,546.51/x
  3. Step 3: Cross multiply
    64,125.64x = 96,210.33 × 34,546.51
  4. Step 4: Simplify right side
    64,125.64x = 3,323,731,127.45
  5. Step 5: Solve for x
    x = 3,323,731,127.45/64,125.64
  6. Step 6: Final answer
    x = 51,831.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.