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Finding the Fourth Proportional to 64,173.75, 88,557.66 and 35,492.96

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Solution

The fourth proportional to 64,173.75, 88,557.66 and 35,492.96 is: 48,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,173.75 : 88,557.66 = 35,492.96 : x
  2. Step 2: Convert to fraction form
    64,173.75/88,557.66 = 35,492.96/x
  3. Step 3: Cross multiply
    64,173.75x = 88,557.66 × 35,492.96
  4. Step 4: Simplify right side
    64,173.75x = 3,143,173,041.29
  5. Step 5: Solve for x
    x = 3,143,173,041.29/64,173.75
  6. Step 6: Final answer
    x = 48,979.11

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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.