Home / 70,811.14-97,707.92-40,590.90

Finding the Fourth Proportional to 70,811.14, 97,707.92 and 40,590.90

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Solution

The fourth proportional to 70,811.14, 97,707.92 and 40,590.90 is: 56,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,811.14 : 97,707.92 = 40,590.90 : x
  2. Step 2: Convert to fraction form
    70,811.14/97,707.92 = 40,590.90/x
  3. Step 3: Cross multiply
    70,811.14x = 97,707.92 × 40,590.90
  4. Step 4: Simplify right side
    70,811.14x = 3,966,052,409.93
  5. Step 5: Solve for x
    x = 3,966,052,409.93/70,811.14
  6. Step 6: Final answer
    x = 56,008.88

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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.