Home / 80,539.84-111,128.40-46,536.16

Finding the Fourth Proportional to 80,539.84, 111,128.40 and 46,536.16

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Solution

The fourth proportional to 80,539.84, 111,128.40 and 46,536.16 is: 64,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.84 : 111,128.40 = 46,536.16 : x
  2. Step 2: Convert to fraction form
    80,539.84/111,128.40 = 46,536.16/x
  3. Step 3: Cross multiply
    80,539.84x = 111,128.40 × 46,536.16
  4. Step 4: Simplify right side
    80,539.84x = 5,171,489,002.94
  5. Step 5: Solve for x
    x = 5,171,489,002.94/80,539.84
  6. Step 6: Final answer
    x = 64,210.32

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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.