Home / 61,030.14-91,420.47-45,252.96

Finding the Fourth Proportional to 61,030.14, 91,420.47 and 45,252.96

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Solution

The fourth proportional to 61,030.14, 91,420.47 and 45,252.96 is: 67,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.14 : 91,420.47 = 45,252.96 : x
  2. Step 2: Convert to fraction form
    61,030.14/91,420.47 = 45,252.96/x
  3. Step 3: Cross multiply
    61,030.14x = 91,420.47 × 45,252.96
  4. Step 4: Simplify right side
    61,030.14x = 4,137,046,872.09
  5. Step 5: Solve for x
    x = 4,137,046,872.09/61,030.14
  6. Step 6: Final answer
    x = 67,786.95

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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.