Home / 48,070.08-72,107.88-13,012.56

Finding the Fourth Proportional to 48,070.08, 72,107.88 and 13,012.56

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Solution

The fourth proportional to 48,070.08, 72,107.88 and 13,012.56 is: 19,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,070.08 : 72,107.88 = 13,012.56 : x
  2. Step 2: Convert to fraction form
    48,070.08/72,107.88 = 13,012.56/x
  3. Step 3: Cross multiply
    48,070.08x = 72,107.88 × 13,012.56
  4. Step 4: Simplify right side
    48,070.08x = 938,308,114.97
  5. Step 5: Solve for x
    x = 938,308,114.97/48,070.08
  6. Step 6: Final answer
    x = 19,519.59

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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.