Home / 75,925.85-113,823.98-53,669.21

Finding the Fourth Proportional to 75,925.85, 113,823.98 and 53,669.21

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Solution

The fourth proportional to 75,925.85, 113,823.98 and 53,669.21 is: 80,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,925.85 : 113,823.98 = 53,669.21 : x
  2. Step 2: Convert to fraction form
    75,925.85/113,823.98 = 53,669.21/x
  3. Step 3: Cross multiply
    75,925.85x = 113,823.98 × 53,669.21
  4. Step 4: Simplify right side
    75,925.85x = 6,108,842,817.31
  5. Step 5: Solve for x
    x = 6,108,842,817.31/75,925.85
  6. Step 6: Final answer
    x = 80,458.01

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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.