Home / 48,812.07-73,078.65-45,712.02

Finding the Fourth Proportional to 48,812.07, 73,078.65 and 45,712.02

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Solution

The fourth proportional to 48,812.07, 73,078.65 and 45,712.02 is: 68,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,812.07 : 73,078.65 = 45,712.02 : x
  2. Step 2: Convert to fraction form
    48,812.07/73,078.65 = 45,712.02/x
  3. Step 3: Cross multiply
    48,812.07x = 73,078.65 × 45,712.02
  4. Step 4: Simplify right side
    48,812.07x = 3,340,572,710.37
  5. Step 5: Solve for x
    x = 3,340,572,710.37/48,812.07
  6. Step 6: Final answer
    x = 68,437.43

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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.