Home / 64,701.54-89,332.38-49,567.50

Finding the Fourth Proportional to 64,701.54, 89,332.38 and 49,567.50

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Solution

The fourth proportional to 64,701.54, 89,332.38 and 49,567.50 is: 68,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,701.54 : 89,332.38 = 49,567.50 : x
  2. Step 2: Convert to fraction form
    64,701.54/89,332.38 = 49,567.50/x
  3. Step 3: Cross multiply
    64,701.54x = 89,332.38 × 49,567.50
  4. Step 4: Simplify right side
    64,701.54x = 4,427,982,745.65
  5. Step 5: Solve for x
    x = 4,427,982,745.65/64,701.54
  6. Step 6: Final answer
    x = 68,437.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.