Home / 60,719.18-91,078.70-16,345.89

Finding the Fourth Proportional to 60,719.18, 91,078.70 and 16,345.89

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Solution

The fourth proportional to 60,719.18, 91,078.70 and 16,345.89 is: 24,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,719.18 : 91,078.70 = 16,345.89 : x
  2. Step 2: Convert to fraction form
    60,719.18/91,078.70 = 16,345.89/x
  3. Step 3: Cross multiply
    60,719.18x = 91,078.70 × 16,345.89
  4. Step 4: Simplify right side
    60,719.18x = 1,488,762,329.81
  5. Step 5: Solve for x
    x = 1,488,762,329.81/60,719.18
  6. Step 6: Final answer
    x = 24,518.82

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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.