Home / 72,958.42-100,681.28-41,127.35

Finding the Fourth Proportional to 72,958.42, 100,681.28 and 41,127.35

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Solution

The fourth proportional to 72,958.42, 100,681.28 and 41,127.35 is: 56,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,958.42 : 100,681.28 = 41,127.35 : x
  2. Step 2: Convert to fraction form
    72,958.42/100,681.28 = 41,127.35/x
  3. Step 3: Cross multiply
    72,958.42x = 100,681.28 × 41,127.35
  4. Step 4: Simplify right side
    72,958.42x = 4,140,753,686.19
  5. Step 5: Solve for x
    x = 4,140,753,686.19/72,958.42
  6. Step 6: Final answer
    x = 56,754.98

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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.