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Finding the Fourth Proportional to 70,108.32, 96,751.80 and 38,279.64

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Solution

The fourth proportional to 70,108.32, 96,751.80 and 38,279.64 is: 52,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,108.32 : 96,751.80 = 38,279.64 : x
  2. Step 2: Convert to fraction form
    70,108.32/96,751.80 = 38,279.64/x
  3. Step 3: Cross multiply
    70,108.32x = 96,751.80 × 38,279.64
  4. Step 4: Simplify right side
    70,108.32x = 3,703,624,073.35
  5. Step 5: Solve for x
    x = 3,703,624,073.35/70,108.32
  6. Step 6: Final answer
    x = 52,827.17

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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.