Home / 53,200.16-73,395.66-30,530.96

Finding the Fourth Proportional to 53,200.16, 73,395.66 and 30,530.96

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Solution

The fourth proportional to 53,200.16, 73,395.66 and 30,530.96 is: 42,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.16 : 73,395.66 = 30,530.96 : x
  2. Step 2: Convert to fraction form
    53,200.16/73,395.66 = 30,530.96/x
  3. Step 3: Cross multiply
    53,200.16x = 73,395.66 × 30,530.96
  4. Step 4: Simplify right side
    53,200.16x = 2,240,839,959.63
  5. Step 5: Solve for x
    x = 2,240,839,959.63/53,200.16
  6. Step 6: Final answer
    x = 42,120.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.