Home / 77,382.81-116,074.22-61,898.85

Finding the Fourth Proportional to 77,382.81, 116,074.22 and 61,898.85

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Solution

The fourth proportional to 77,382.81, 116,074.22 and 61,898.85 is: 92,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382.81 : 116,074.22 = 61,898.85 : x
  2. Step 2: Convert to fraction form
    77,382.81/116,074.22 = 61,898.85/x
  3. Step 3: Cross multiply
    77,382.81x = 116,074.22 × 61,898.85
  4. Step 4: Simplify right side
    77,382.81x = 7,184,860,423.15
  5. Step 5: Solve for x
    x = 7,184,860,423.15/77,382.81
  6. Step 6: Final answer
    x = 92,848.28

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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.