Home / 96,895.78-145,039.08-66,733

Finding the Fourth Proportional to 96,895.78, 145,039.08 and 66,733

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Solution

The fourth proportional to 96,895.78, 145,039.08 and 66,733 is: 99,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,895.78 : 145,039.08 = 66,733 : x
  2. Step 2: Convert to fraction form
    96,895.78/145,039.08 = 66,733/x
  3. Step 3: Cross multiply
    96,895.78x = 145,039.08 × 66,733
  4. Step 4: Simplify right side
    96,895.78x = 9,678,892,925.64
  5. Step 5: Solve for x
    x = 9,678,892,925.64/96,895.78
  6. Step 6: Final answer
    x = 99,889.73

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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.