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Finding the Fourth Proportional to 70,252.08, 105,393.92 and 36,987.81

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Solution

The fourth proportional to 70,252.08, 105,393.92 and 36,987.81 is: 55,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,252.08 : 105,393.92 = 36,987.81 : x
  2. Step 2: Convert to fraction form
    70,252.08/105,393.92 = 36,987.81/x
  3. Step 3: Cross multiply
    70,252.08x = 105,393.92 × 36,987.81
  4. Step 4: Simplify right side
    70,252.08x = 3,898,290,103.18
  5. Step 5: Solve for x
    x = 3,898,290,103.18/70,252.08
  6. Step 6: Final answer
    x = 55,490.03

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1.5x scale

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.