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Finding the Fourth Proportional to 48,619.40, 72,929.10 and 48,619.40

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Solution

The fourth proportional to 48,619.40, 72,929.10 and 48,619.40 is: 72,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.40 : 72,929.10 = 48,619.40 : x
  2. Step 2: Convert to fraction form
    48,619.40/72,929.10 = 48,619.40/x
  3. Step 3: Cross multiply
    48,619.40x = 72,929.10 × 48,619.40
  4. Step 4: Simplify right side
    48,619.40x = 3,545,769,084.54
  5. Step 5: Solve for x
    x = 3,545,769,084.54/48,619.40
  6. Step 6: Final answer
    x = 72,929.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.