Home / 69,465.04-104,172.89-30,000.63

Finding the Fourth Proportional to 69,465.04, 104,172.89 and 30,000.63

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Solution

The fourth proportional to 69,465.04, 104,172.89 and 30,000.63 is: 44,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,465.04 : 104,172.89 = 30,000.63 : x
  2. Step 2: Convert to fraction form
    69,465.04/104,172.89 = 30,000.63/x
  3. Step 3: Cross multiply
    69,465.04x = 104,172.89 × 30,000.63
  4. Step 4: Simplify right side
    69,465.04x = 3,125,251,983.59
  5. Step 5: Solve for x
    x = 3,125,251,983.59/69,465.04
  6. Step 6: Final answer
    x = 44,990.28

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1.5x scale

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.