Home / 43,200.84-64,801.95-12,036.09

Finding the Fourth Proportional to 43,200.84, 64,801.95 and 12,036.09

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Solution

The fourth proportional to 43,200.84, 64,801.95 and 12,036.09 is: 18,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.84 : 64,801.95 = 12,036.09 : x
  2. Step 2: Convert to fraction form
    43,200.84/64,801.95 = 12,036.09/x
  3. Step 3: Cross multiply
    43,200.84x = 64,801.95 × 12,036.09
  4. Step 4: Simplify right side
    43,200.84x = 779,962,334.10
  5. Step 5: Solve for x
    x = 779,962,334.10/43,200.84
  6. Step 6: Final answer
    x = 18,054.33

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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.