Home / 97,045.96-145,618.80-40,162.12

Finding the Fourth Proportional to 97,045.96, 145,618.80 and 40,162.12

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Solution

The fourth proportional to 97,045.96, 145,618.80 and 40,162.12 is: 60,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,045.96 : 145,618.80 = 40,162.12 : x
  2. Step 2: Convert to fraction form
    97,045.96/145,618.80 = 40,162.12/x
  3. Step 3: Cross multiply
    97,045.96x = 145,618.80 × 40,162.12
  4. Step 4: Simplify right side
    97,045.96x = 5,848,359,719.86
  5. Step 5: Solve for x
    x = 5,848,359,719.86/97,045.96
  6. Step 6: Final answer
    x = 60,263.81

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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.