Home / 58,777.56-88,074.18-40,990.68

Finding the Fourth Proportional to 58,777.56, 88,074.18 and 40,990.68

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Solution

The fourth proportional to 58,777.56, 88,074.18 and 40,990.68 is: 61,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.56 : 88,074.18 = 40,990.68 : x
  2. Step 2: Convert to fraction form
    58,777.56/88,074.18 = 40,990.68/x
  3. Step 3: Cross multiply
    58,777.56x = 88,074.18 × 40,990.68
  4. Step 4: Simplify right side
    58,777.56x = 3,610,220,528.64
  5. Step 5: Solve for x
    x = 3,610,220,528.64/58,777.56
  6. Step 6: Final answer
    x = 61,421.75

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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.