Home / 45,127.60-67,698.07-42,359.83

Finding the Fourth Proportional to 45,127.60, 67,698.07 and 42,359.83

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Solution

The fourth proportional to 45,127.60, 67,698.07 and 42,359.83 is: 63,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.60 : 67,698.07 = 42,359.83 : x
  2. Step 2: Convert to fraction form
    45,127.60/67,698.07 = 42,359.83/x
  3. Step 3: Cross multiply
    45,127.60x = 67,698.07 × 42,359.83
  4. Step 4: Simplify right side
    45,127.60x = 2,867,678,461.38
  5. Step 5: Solve for x
    x = 2,867,678,461.38/45,127.60
  6. Step 6: Final answer
    x = 63,546.00

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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.