Home / 61,012.59-91,352.43-46,176.63

Finding the Fourth Proportional to 61,012.59, 91,352.43 and 46,176.63

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Solution

The fourth proportional to 61,012.59, 91,352.43 and 46,176.63 is: 69,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,012.59 : 91,352.43 = 46,176.63 : x
  2. Step 2: Convert to fraction form
    61,012.59/91,352.43 = 46,176.63/x
  3. Step 3: Cross multiply
    61,012.59x = 91,352.43 × 46,176.63
  4. Step 4: Simplify right side
    61,012.59x = 4,218,347,359.71
  5. Step 5: Solve for x
    x = 4,218,347,359.71/61,012.59
  6. Step 6: Final answer
    x = 69,138.97

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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.