Home / 48,069.52-72,070.32-18,462.40

Finding the Fourth Proportional to 48,069.52, 72,070.32 and 18,462.40

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Solution

The fourth proportional to 48,069.52, 72,070.32 and 18,462.40 is: 27,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,069.52 : 72,070.32 = 18,462.40 : x
  2. Step 2: Convert to fraction form
    48,069.52/72,070.32 = 18,462.40/x
  3. Step 3: Cross multiply
    48,069.52x = 72,070.32 × 18,462.40
  4. Step 4: Simplify right side
    48,069.52x = 1,330,591,075.97
  5. Step 5: Solve for x
    x = 1,330,591,075.97/48,069.52
  6. Step 6: Final answer
    x = 27,680.56

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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.