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Finding the Fourth Proportional to 64,384.36, 88,813.76 and 51,651.78

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Solution

The fourth proportional to 64,384.36, 88,813.76 and 51,651.78 is: 71,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,384.36 : 88,813.76 = 51,651.78 : x
  2. Step 2: Convert to fraction form
    64,384.36/88,813.76 = 51,651.78/x
  3. Step 3: Cross multiply
    64,384.36x = 88,813.76 × 51,651.78
  4. Step 4: Simplify right side
    64,384.36x = 4,587,388,792.49
  5. Step 5: Solve for x
    x = 4,587,388,792.49/64,384.36
  6. Step 6: Final answer
    x = 71,250.05

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1.5x scale

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.