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Finding the Fourth Proportional to 64,208.16, 88,613.88 and 36,985.17

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Solution

The fourth proportional to 64,208.16, 88,613.88 and 36,985.17 is: 51,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.16 : 88,613.88 = 36,985.17 : x
  2. Step 2: Convert to fraction form
    64,208.16/88,613.88 = 36,985.17/x
  3. Step 3: Cross multiply
    64,208.16x = 88,613.88 × 36,985.17
  4. Step 4: Simplify right side
    64,208.16x = 3,277,399,416.16
  5. Step 5: Solve for x
    x = 3,277,399,416.16/64,208.16
  6. Step 6: Final answer
    x = 51,043.35

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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.