Home / 70,933.86-97,897.59-40,728.65

Finding the Fourth Proportional to 70,933.86, 97,897.59 and 40,728.65

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Solution

The fourth proportional to 70,933.86, 97,897.59 and 40,728.65 is: 56,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.86 : 97,897.59 = 40,728.65 : x
  2. Step 2: Convert to fraction form
    70,933.86/97,897.59 = 40,728.65/x
  3. Step 3: Cross multiply
    70,933.86x = 97,897.59 × 40,728.65
  4. Step 4: Simplify right side
    70,933.86x = 3,987,236,189.47
  5. Step 5: Solve for x
    x = 3,987,236,189.47/70,933.86
  6. Step 6: Final answer
    x = 56,210.62

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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.