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Finding the Fourth Proportional to 64,482.56, 96,533.76 and 62,892.80

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Solution

The fourth proportional to 64,482.56, 96,533.76 and 62,892.80 is: 94,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,482.56 : 96,533.76 = 62,892.80 : x
  2. Step 2: Convert to fraction form
    64,482.56/96,533.76 = 62,892.80/x
  3. Step 3: Cross multiply
    64,482.56x = 96,533.76 × 62,892.80
  4. Step 4: Simplify right side
    64,482.56x = 6,071,278,460.93
  5. Step 5: Solve for x
    x = 6,071,278,460.93/64,482.56
  6. Step 6: Final answer
    x = 94,153.81

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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.